Kaizumi Tsugutoshi

Kaizumi Tsugutoshi (貝積継敏) is a minor character in the Toaru Majutsu no Index series. He is one of the twelve people on Academy City's Board of Directors. He is notable for using Kumokawa Seria as his "brain," allowing him to give him great insight in matters due to her intelligence

Appearance
He is described as an old man. Living a life of luxury, he apparently wears wearing formal clothes that would have fit in more in an antique setting.

Personality
He is a man in the lap of luxury who enjoys the finer things in life, like music, theater, antiques, and fine arts. He preferred to enjoy his limited free time to its fullest during his long lifetime. However, this is not a result of a belief in moderation. Rather this is a result of his belief that alcohol, tobacco, and other things that, he believed, dulled the senses would only diminish his enjoyment. The only time he does drink is when he is stressed, during the most unpleasant of times.

He is described as a Petite bourgeoisie, implying that his politico-economic ideological stance is but an imitation of those that are above him.

Although he can be described as having several attributes that are common with Thomas Platinaburg, and has also dipped in the dark side of Academy City, with Seria, he has done several things that can be deemed as "good," like bringing the Gemstones into Academy City and preventing the Agitate Halation Project.

Background
As all the members of the board of directors are rich, Tsugutoshi is no exception. He is apparently married, having a wife and daughter. An aged character, he has several connections with people, such as a conductor and even someone involved with the CIA.

He uses Seria as her brain, who enjoys thinking for him, and also does his commands. According to Tsuchimikado Motoharu, Tsugutoshi apparently "tamed" Seria into becoming his brain, though it is unknown how he managed to do so.

Toaru Majutsu no Index Light Novel Volume SS2

 * Main article:Toaru Majutsu no Index Light Novel Volume SS2

He is known as the one responsible for the plan to have all the Gemstones taken into Academy City, after being advised to do so by Kumokawa Seria. He is also the head of all research done on the Gemstones. Described as an old man who looks at the Gemstones as more than just research material but is too soft to do anything for them when he could have avoided all the trouble in SS2 in the first place by taking them all to Academy City, saying that they have their own lives to live and that they shouldn't be disturbed. Also described as "naive" by Seria, when Kaizumi wants to get into unnecessary troubles by taking in the Gemstones when there's absolutely no way any researcher outside Academy City is capable of unlocking their secrets before they die.

Homecoming Arc

 * Main article:Homecoming Arc

After Kamijou Touma is revealed to be alive and have returned to the city, Tsugutoshi tries to get Seria back to her former self. It is revealed that during his absence from the city she became lethargic and commented on being regretful neither she nor the director Tsugutoshi could help out Touma despite the fact they had power. After an attempt to re-energize herself, she commented she couldn't keep such appearance even for a conversation as it was hollow and she was not like Shokuhou Misaki to which Tsugutoshi replies she must if she ever wants to resume her connection with Touma implying they knew each other more than it seems at first.

Agitate Halation Arc

 * Main article:Agitate Halation Arc

Kaizumi Tsugutoshi is with Kumokawa Seria in School District 3 during the height of Motoharu's quest for vengeance against those who have "killed" his sister, Tsuchimikado Maika. Here, it is shown that they too have been investigating the Agitate Halation Project and the killing of Maika. Seria warns of Motoharu's impending advance towards them after being contacted by him that he is coming and he is serious. Although he predicted that he would come for them, he asks Seria what to do next. Seria states that no matter what they do, Motoharu will always go after them, as such, the only way to deal with him is to confront him head on, telling Tsugutoshi to remove all the normal guards, removing his hiding places.

Tsugutoshi is in his office during the entire fight between Seria and Motoharu. He is later contacted by Seria after she presumed she defeated Motoharu, requesting to prepares the parts of hers that she separated in Micro Cosmos but later loses contact from her. Knowing that he will be soon facing an unpleasant situation, he drinks alcohol. Suddenly, Motoharu bursts into the office behind him. Meeting each other's sights, Motoharu asks him if he is prepared, to which Tsugutoshi confirms. Motoharu states that his death will not be quick but protracted and painful, but Tsugotoshi states that he was prepared for such a thing the moment he sat on his chair. However, he warns him that he may not understand what's going on and that even though killing him will end his revenge, he will never reach satisfaction as he does not know the truth. Motoharu says that he doesn't care for the Agitate Halation Project anymore, and only revenge is in his mind on everyone who is behind it. Tsugotoshi asks that if that's true, then would his revenge not end when Motoharu dies. Tsugotoshi lays down his cards, he plainly states that it was Motoharu that has "killed" Maika after discovering a reprisal on his investigations were afoot. To protect her, Motoharu faked the death of his sister by using techniques of the dark side of Academy City. Tsugotoshi points out that his revenge is nothing by a farce. Motoharu states that the mere fact that someone targeting her life made him reach pass his boiling, as is the reason for his rampage. The old man does not understand why he didn't do his revenge behind the scenes, but Motoharu replies that is because he "killed" her. Despite saving her and the possibility of her life getting back to normal, he still betrayed her by breaking the rules he had set-up for himself, and used the ways of the dark side of Academy City. Tsuchimikado Motoharu has failed from saving Tsuchimikado Maika from getting involved in the dark side of Academy City. That is the reason why he has been going into a irrational rampage unbecoming of his cold demeanor when it comes to the dark side of Academy City.

Hearing his explanation, Tsugutoshi warns that the Agitate Halation Project runs much deeper than he thinks, and things will grow much worse. Motoharu accuses the old man of being behind the project himself. Tsugutoshi doesn't convice him any further knowing that he will not listen to what he will say, and says to Motoharu that he will understood soon enough. Having enough of his ramblings, Motoharu prepares for the man's torture, silencing him with a single blow, and tied his arms and legs to the chair with wire. Still conscious, Tsugutoshi tells him that he has not the time to a disbelieving Motoharu, who believes that he no longer has any pawns and allies. Tsugutoshi points out that it has nothing to do with whose side anyone is on. Motoharu mocks him for saying that a totally unrelated hero will show up. However, he still continues saying that a hero will surely come, and that he will now learn what he has been involved in. Just then, the elevator to the office has arrived.

Tsugutoshi states that he has no idea who will come for him, and that he or she may not be involved in the darkness at all. However, he tells him that he or she will surely be his enemy. Tsugutoshi then realizes that him being killed was not the call by for Motoharu and the person to defeat each other. It was set up that way since the beginning. Motoharu becomes confused, realizing that his clash with Seria and Tsugutoshi were nothing but a means to an end. Wanting some answers, Motoharu demands Tsugotoshi to tell him of his involvement with the Agitate Halation Project, to which he confirms to him that he is just like him, working to try and destroy the Agitate Halation Project. He says that his failure to stop it may be enough of a reason for him to being involved in Maika's "death". While Motoharu is confused, Tsugutoshi asks what Motoharu will do now, stating that if the both of them are defeated, no one will be able to stop the Agitate Halation Project. He suggests to him to flee, but Motoharu states that he has no choice, and that he will defeat the one who is behind those elevator doors as so he can continue his revenge. However, when the door opened, Motoharu's worst possible enemy has arrived, the possibility that he had feared the most, the arrival of Kamijou Touma.

Tsugutoshi is bound throughout the brief fight between Touma and Motoharu. After Touma defeats Motoharu, he tries to call the ambulance, but Tsugutoshi stops him, saying that if he calls an ambulance for him, he will surely be killed. Tsugutoshi tells Touma that the one behind the Agitate Halation Project hoped to eliminate anyone who would interrupt the project by having them defeat each other, and they have been built into these plans. However, Tsugutoshi states that since they were alive means that the situation has already left their expectations, telling Touma that Motoharu will surely live. He points out to Touma that because of that, they have now have the opportunity to counterattack. Touma ponders on he is supposed to fight, and what led Motoharu to his current ends. Tsugutoshi tells Touma that if he truly considers himself as Tsuchimikado Motoharu's friend, then his top priority must be what he was trying to protect, Tsuchimikad Maika. He warns that all of Motoharu's actions were motivated to protect Maika, but warns that the ones behind the Agitate Halation project may have seen through Motoharu's ruse and may even reach Maika. He plainly tells Touma that someone needs to stop them. Touma believes that this is supposed to be Motoharu's job, but the old man's words convince him that he is out of the picture, though he does not take it kindly. Tsugutoshi asks what Touma will do. Touma gritted his teeth, and decides that he will protect Maika. He asks where she is, to which Tsugutoshi answers that she is not in her dorm, referencing on how Motoharu was thorough in hiding her. Hearing this, Touma is left no choice but to attack whoever was running the Agitate Halation project and stop them. He steals the documents on the project from Tsugutoshi and begins leaving. Tsugutoshi says that what matters to him is that Touma stops Agitate Halation, but advises to that he should save a life in the process. Touma says that he will but only her life, and states that the only one who can truly save Tsuchimikado Maika isn't him. Touma unties Tsugutoshi, but warns him that if he lets Motoharu die, he will become his enemy. Tsugutoshi presumably followed Touma's orders and had Motoharu treated.

After the events of the arc, Seria goes out to meet Motoharu to "execute" him. After the deed was done, Tsugutoshi is contacted by Seria to confirm the "kill", he asks if she will recover the body, but states that someone else will pick it up for them, as because the both of them knowing each other may cause strange conspiracy theories if she did, like the execution was an act and that he is still alive. Hearing this, Tsugutoshi states that it would be best to let their enemies pick him up. With that, she ends her call. It is unknown if Tsugutoshi is aware that Seria spared Motoharu's life by faking his execution.

Quotes

 * (To Touma, from NT 7): "If you claim to be his friend, your top priority must be what he was trying to protect."