Aka：天使之恋 / My Rainy Days / Мои дождливые дни / Meus dias chuvosos / 천사의 사랑 / Tenshi no Koi / 天使之戀 / 出租天使
Summary：High schooler Rio Ozawa, falls for professor Kouki Ozawa. Though he reciprocates feelings, he's dying of cancer, explaining his distance. Rio convinces him to get risky surgery, even if he forgets her, to prolong their time together.
