Study trip (Pixiv Fanbox)

研修旅行に観光地。そして温泉宿。この好条件を提示すれば大概の学生はOKするさ。今日も又2人・・。さて今夜はどうなることやら・・ Tourist destinations for study trips. And a hot spring inn. Most students will be OK if you present these favorable conditions. Two people again today... Well, I wonder what will happen tonight...