Run, get caught, get raped!! A gangbang hell attacks female teacher Nao Nao Kiritani!! Nao is a female teacher who teaches at a certain coeducational school. She is well-trusted by her students, and is leading a fulfilling life both in private and public, with her marriage to her boyfriend coming up. However, Nao doesn't know that there is a graduate who has a twisted love for Nao... One day, a man who calls himself "Suzuki" appears in front of Nao. Her reunion with Suzuki is the beginning of a never-ending "school gangbang game of tag"!!