A student of the A class, he decided to crash in the group of our heroes because he saw some pretty girls there. His smile, his outspokenness and the fact that he is a bit of a troublemaker make the protagonists wonder if he is to be feared.

Spoiler

Haruomi will help our heroes to defeat the Harpy. He will later explain that his attitude is a personal resolution. Having been hospitalized during most of his primary school classes, he has decided to live every moment of his life to the fullest. He befriended Chiaki and became a member of the group.