Sensing that her brother is in danger, his sister strives to save him, but...
Within the school, there is a large, old set of lockers.
Three students suspect that there is a door behind it that hides a secret room, so they plan to sneak into the school at night and investigate.
The younger sister of one of the students receives a mysterious warning.
"DANGER"
Sensing that her brother is in danger as he sets off at night to sneak into the school with his friends, his sister follows him.
The locker should never be touched.
A manga drawn in 2012.
31 pages + afterword, etc.
Three students suspect that there is a door behind it that hides a secret room, so they plan to sneak into the school at night and investigate.
The younger sister of one of the students receives a mysterious warning.
"DANGER"
Sensing that her brother is in danger as he sets off at night to sneak into the school with his friends, his sister follows him.
The locker should never be touched.
A manga drawn in 2012.
31 pages + afterword, etc.
(English product description provided by "Kitsune".)
