NEBO-017 一位胸小、天真无邪的美少女谎称生病，逃课并留宿旅馆，结果被班主任在室外剥得一丝不挂，阴毛暴露无遗，他将阴茎插入她的体内，一……

The school trip has come to a lodging deep in the mountains. Everyone else is away on an extracurricular activity. Hinano says she is not feeling well and stays behind at the lodging. Her teacher stays behind to accompany her, but he finds out that she lied. The teacher takes her outside and begins his punishment. He strips her of her clothes and humiliates her, while enjoying her body. He devours her, licks her, and penetrates her. This is instruction to impregnate her.