How to make an invisible man.

Shinji Saitou, a high school student, has a knack for playing pranks to alleviate his boredom. However, after a confrontation with his closest friends, he receives an enigmatic email instructing him on "how to make an invisible person." This encounter sets in motion a series of events that threaten to disrupt his relationship with Sodegi Kana, a girl with whom he shares romantic feelings. As Shinji becomes increasingly entangled with another girl, who harbors a profound yet unknown connection with him, he is drawn into a transformation that will change him forever, becoming one of the "invisible people" himself.