Sensei Datte Gaman Shiteru

From Chibi Manga: Natsumi has frequently been absent to school as she has very poor health and the only one who worries about Natsumi is her homeroom teacher, Kujou-sensei. Usually, Kujou-sensei doesn't even bother with his students and his personality just like ice, but even so, why did on that time, he really care about me....? Collection of stories: Koori o Tokasu Kiss no Netsu Kiss wa, Kokuhaku no Mae ni. Kawaii Kimi to Amai Koi Kare wa, Watashi no Koto ga Suki Mitai Desu. Juudai Sentimental