Toaru Majutsu no Index Wiki

"August 21, Part 6" (八月二十一日⑥ Hachi-gatsu Ni-jū-ichi-nichi ⑥?) is the 38th chapter of the Toaru Kagaku no Railgun manga series, released on December 27, 2010.


Accelerator cackles over his new ability to control the atmosphere. He sarcastically thanks the unconscious Kamijou Touma for helping him grow stronger (by acting as a strong opponent) and prepares to finish him off. However, the plasma ball he was forming disperses, due to interference from the Sisters. Misaka Mikoto asks Misaka 10032 to call a few of the other Sisters to the battlefield, as she plans on causing a diversion to let the Sisters escape. However, Misaka 10032 proposes using herself as a diversion so that Mikoto can take Touma and escape. Misaka 10032 looks at Touma, who regains consciousness and clenches his fist.

Accelerator is confused, but eventually realises that the Sisters worked together to make the city's wind turbines spin and hence create an artificial wind that disrupted his plasma. He attempts to attack Misaka 10032, causing Mikoto to step in between them. Accelerator asks why she and Touma are trying to protect the clones. Mikoto simply declares that the clones are her own sisters, then takes out a coin and prepares to fight. Accelerator laughs, saying that he is the strongest Level 5 and he'll simply kill both of them. However, the two girls are surprised by something behind Accelerator, causing him to turn around and see Touma standing up.

Accelerator is temporarily frozen in place by fear. He reassures himself, thinking that Touma is almost dead and can be killed with a single touch. Accelerator charges at Touma, who dodges his first attack, knocks away his second, and prepares to strike back. Accelerator thinks back to his past: his power caused major destruction when first used, he worried that it could potentially destroy everything, and he came to the conclusion (partly due to being manipulated by researchers) that he could only stop this by gaining an absolute power that would stop anyone from challenging him again. He sees a vision of himself surrounded by dead Sisters and realises that this plan only caused him to hurt more people. Touma knocks Accelerator out with a punch, then falls unconscious himself.

Adapted From

Adapted To


In order of appearance:





  • As Touma regains consciousness, various scenes from previous chapters in the Sisters Arc are shown.

Cultural References

Unanswered Questions




v  e
Toaru Kagaku no Railgun
Volume 1 1234567
Volume 2 8910111213
Volume 3 141516Sp17Sp1Sp2
Volume 4 181920212223
Volume 5 24252627282930
Volume 6 31323334353637
Volume 7 3839Sp4041424344
Volume 8 4546474849505152
Volume 9 535455565758596061
Volume 10 626364656667686970
Volume 11 71727373.5747576777879
Volume 12 808182838485868788
Volume 13 8990919293949596
Volume 14 979899100101102103104105106
Volume 15 107108109110111112113114115
Volume 16 116117118119120121122123124125126127
Volume 17 128129130131132132.5132.75133134135136
Chapters Not Yet in Volume Format 136.5137138139140
Special 17.524.525.542.596.5122.5