Motokano Sensei wa, Choppiri Ecchi na Katei Houmon de Kimi to no Ai wo Hagukumitai.

The new teachers at high school student Toruma Nijino's school are his ex-girlfriends who broke up with him in the past! Moreover, both Akamine Shuri and Shirasawa Kohaku still harbor feelings for him. He is happy to see them again, but... yet he is not entirely thrilled about their return... Hey, can I kiss you? Do you dislike being intimate with me? They begin competing for his attention, trying to rekindle their relationships with Tohru before graduation. Additionally, they live in the same apartment complex as Tohru, attempting to secretly cultivate their love as commuter wives...? This is a sweet love comedy featuring ex-girlfriend teachers who go all out to win his heart again! Original Manga: Comic Fire