Stop!! Hibari-kun! - Season 1 Episode 15 A Passionate Day for Seiji-san
Overview: Seiji receives his very first love letter but is worried his job as a yakuza would make him an unsuitable husband. Hibari catches Kōsaku spying on them and drags him away for a date. Seiji leaves to meet Hanako, Kaori's friend who developed a crush on him.