Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Nishina Kissho, a serious high school student who goes to a boarding boys' school, was worried about his relationship with Maitreya, the younger brother of Toshiko.
Although he was a brother, he had a physical relationship with Maitreya, who was described as a mad dog and showed no interest in other people than Kissho.
Although he knew only the body of his younger brother and was bewildered by being sexually abused without knowing anything, Kissho was ridiculed by Maitreya for his sexual ignorance and hurt his self-respect as an older brother.
Kissho tries to see if the way his younger brother does it is really the right way to have sex, but.