Koi Shika Dekinai yo
恋しかできないよ
A high school teacher, Umehara-sensei, is transferred from an all-boys school to an all-girls school, where he reconnects with a former student, Hataoka Kei, who is now in university. They begin meeting occasionally for drinks. Umehara-sensei feels uneasy about the arrangement. Unbeknownst to him, Kei harbors intense feelings for him, which gradually lead to stalking behavior.