Io Sawatari, a member of the Occult Research Club, is deeply interested
in "Student Number Zero" - a classmate whom no one realizes is there.
But meanwhile, when she tries to invite another classmate to the Occult
Research Club the way she always does…
Io Sawatari is deeply intrigued by a student in class that seemingly no
one notices, known simply as "Student #0". Despite this their days are
uneventful until everything changes one day when these students get
involved with the Occult club.
