, also abbreviated as , is a Japanese manga series written and illustrated by Soborou. It has been serialized in Kodansha's seinen manga magazine Weekly Young Magazine since April 2017, and has been collected in eleven tankōbon volumes as of November 2020. Each volume features different pairs of female teachers and their male students as they inevitably end up in awkward, embarrassing situations as they gradually become couples. An anime television series adaptation by Tear Studio aired from April to June 2019. Summary High school student Ichiro Sato keeps finding himself in embarrassingly erotic predicaments with Kana Kojima, a young teacher who has a reputation of being a demon to her students. Later volumes introduce more male students paired with female teachers in similar circumstances. Characters Teachers A high school Japanese language teacher at who is nicknamed because of her combustible temper. But when she is close to Ichirō Satō, she is shy and clumsy, and they end up in a number of unseemly erotic situations. It is revealed that she is from the same home town as Sato's mother. As a high school student, she was shy and wore glasses, but was encouraged by Sato to become a teacher. Starting in volume 2, she and Sato are a couple. A bonus chapter in Volume 1 shows that she visits him often while he is in college. She and Ichiro later get engaged and are living together by Volume 6. Kawanuma West art teacher and student council adviser. Though she is very petite she is also exceptionally well-endowed and styles her hair in braids. She is well-liked by the students who call her as she is kind and gentle. Like Kojima, she becomes really clumsy and air-headed when she is around the guy she likes, which would be Rin Suzuki, who helped her in the past when she was trying to get to her teacher certification exam on time. A physical education teacher from Kawanuma East. She is tomboyish, mischievous and free-spirited, and is liked by her students. She advises the student council and coaches the swim team. She acts very casual around Takashi, and genuinely cares about him. They eventually start dating. The Kawanuma East school nurse. She has light grey hair. Her nickname is for her cold and expressionless attitude towards the students. Initially wanting to relate better with students in general, she takes a liking to Ko