Black Gakkou ni Tsutometeshimatta Sensei

This century has seen a significant increase in the number of dark-skinned girls. High school teacher Imada Sasamichi is starting his new job at a school where he discovers that all the students in his class have names with “Kuro” meaning black. Among them is Kuroi Mariko, who has already developed feelings for her teacher. This marks the beginning of these passionate girls’ attempts to win over their teacher’s heart.