“Welcome to the Classroom of the Supreme Ability Doctrine: Other School Days” is an official spin-off anthology manga of You-Zitsu series

Yano Shiki, a boy who only shows a facade.
Minase Akiha, a quiet and reserved transfer student.
Minase Haruka, the other side of Akiha.
This is their bizarre love story, one where the distance between them is limitless/zero.