I can't believe I haven't read this manga untill today! It was so short and yet it doesn't feel like that as you keep reading it. Everything evolves slowly and in a pretty innocent way. Both of the main characters are very loveable, for real. I really don't know how to describe it, more than such a heartwarming and naive story, not only about sex, but about discoverying it, and discoverying your body and what (and who) you like. I recommend to read it when you want or need to read something soft, short and funny. It's also a good manga to begin with BL, ifyou're curious about that gender.
I hope this review is helpfull to anyone who comes to seek some guide or information about this manga.
Best wishes to you all, XOXO.