Toaru Majutsu no Index SS: Biohacker/Chapter 5

Characters
By order of appearance:
 * Gokusai Kaibi
 * Gokusai Amazora
 * Gokusai Rikuri
 * Kumokawa Seria
 * Kamijou Touma
 * Mitsuari Ayu
 * Matsuo Ryuusuke

New Characters

 * Beginning Child

Locations

 * Academy City

Cultural References

 * The names given to many of Matsuo Ryuusuke's created specimens are derived from creatures in various mythologies and folklore:
 * The is a giant cephalopod-like sea monster of Scandinavian and maritime folklore.
 * and are two creatures from Norse Mythology; the wolf who devours Odin at Ragnarok and the eagle whose wing-beats create the winds respectively. The two have also formed the basis for entities connected to Gremlin; a magician and a creation of Brísingamen respectively.
 * and are creatures from Greek Mythology, connected to the Second Labour of Heracles. The Lernaean Hydra is the multiple-headed serpent Heracles was tasked with slaying and Karkinos was the crab sent to impede him (and later made into the Zodiac constellation ).
 * The is a giant man-eating centipede  in Japanese mythology.
 * A is a monster from  folklore.