Kuroyukihime Stories

Sango Higurashi, une fille au mauvais caractère, amie de Nishinoya Yu depuis son enfance. Un jour elle fera la rencontre avec un garçon nommé Oikawa Tooru, celui qui chamboulera sa vie.

This is a story of a boy who started attending the highschool of the main characters of Accel world and learns about brain burst by accident. All the main characters except sho and his profile for brain burst belong to the original owner of Accel world. The Accel world franchise belongs to the original owner.