A second-year high school student with no hobbies, no special skills, no girlfriend, and not even a single friend.

Realizing he had nothing to himself, Ichihito Higashimachi, driven by a desperate wish to change, started a thread.

He then diligently responded to every absurd request from the online board.

However, he remains oblivious.

To the fact that, unbeknownst to him, the affection levels of five girls were skyrocketing.

"…My hair turned rainbow-colored."