Macronall Hamburger

Macronall Hamburger is a chain of fastfood restaurants that can be found in Academy City. The restaurant primarily serves hamburgers, which Himegami Aisa is unusually fond of.

There are currently two Macronall restaurants featured in the Toaru Majutsu no Index universe. The first one is at least two storeys tall and can serve several customers and allows them to occupy tables where they can eat the meals they ordered, the second one is more open-aired and is more like a store than a restaurant, here, people buy their food for them to take-out unlike the latter restaurant.

Deep Blood Arc
The restaurant first appears in the Deep Blood Arc. After Kamijou Touma and Index are unable to go to the ice cream parlour Index wanted to go to, Touma settled on Macronall Hamburger to sate Index's hunger. Here, Touma and Index meet Himegami Aisa, who has just spent all her money on buying hamburgers. After some much arguing between Touma and Aisa with her asking for money, and later Index and Aisa with her claming to be a magician, Aisa's is escorted outside by her "cram school teachers" from Misawa Cram School.

Three Stories Arc
The second Macronall building is featured during Misaka Mikoto and Kamijou Touma's "fake" date. Here, Mikoto offers to pay for food from the store as a compensation to Touma for dragging him into her problems with Unabara Mitsuki (really Etzali in disguise). Touma waits outside while talking with Etzali and sees the real Unabara Mitsuki running towards the store to warn Mikoto. Touma and Etzali later fight in an abandoned construction site, while Mikoto stays behind to call the paramedics to aid Mitsuki.

Poltergeist Incidents
The first restaurant is featured in episode 17 of the Toaru Kagaku no Railgun anime. Tessou Tsuzuri a member of Anti-Skill, receives a complaint from one of the employees of the restaurant; it is revealed that Aisa has bought all of the restaurant's hamburgers, when Tsuzuri asks why she bough it, Aisa states that the taste of the hamburgers are "unforgettable".

Trivia

 * The restaurant is an obvious parody of the McDonald's chain of fast food restaurants. The logo of MacRonall is nearly identical to McDonald's as well.