KAWD-640 부모님에게 말 못 하는 수학여행은 「여행의 소리」에 적혀 있지 않았습니다. 코노하 미나미 호시조라

Kobane and Aisei are the only two students at the school. "Body just got bigger ... what the teacher says is absolute!" Using the ignorance of sex, playing with the precocious bodies of two unprotected people who left their parents in the name of sex education. "Can I become an adult with this?" I can only believe that there is no way to resist the teacher who is different from usual. Even though they should be scared and uneasy, the two of them woke up to the pleasantness...