Yasashiku Ijimete

Mom insisted that if I get into university, I'd have to make my own money. Since she allowed me to live on my own and I've admired the idea of having a part-time job, I readily agreed. So, for my first part-time job ever, I chose to be a private tutor. I was nervous about teaching a student but since I managed to get into university, I thought it should go OK. When I arrived at the student's house, a X-year that suited glasses named Furusaki Kouki was waiting for me. "I don't really need a private tutor." No... did things already go wrong, right from the beginning?! Seeing that I was crestfallen and didn't know what to do, Kouki smirked and made a suggestion. "If you're so insistent on being my private tutor, in return you have to do anything I say." When I thought about it rationally, it was a ridiculous suggestion... but, I nodded in agreement. Without even knowing what Kouki's idea of "anything" was... [Translation of DLSite plot summary]