Hatsukoi no Shiryou

Tomo, disillusioned by his stepmother's infidelity, befriends his neighbor Yuuichi. After a summer incident, Tomo loses faith in love and believes it to be pointless. Yuuichi reassures him that he will one day experience love. Years later, Tomo unexpectedly becomes the spirit of first love. The source of all the resulting misfortune is traced back to a curse related to first love.