Yoshino is currently living a miserable high school life, having been harassed by the recent transfer student, Koga Chiaki. Then, he is shocked when his only friend, childhood friend Gaku, gets a girlfriend! What's more, when Gaku tells him, "This is a good opportunity, why don't you make some friends other than me?", he ends up asking Chiaki for help in "making friends"...

A mismatched and uneven youthful love story between a mean and arrogant transfer student and a complicated and innocent loner begins!