Ao-chan Can't Study!, Volume 5 (Ao-chan Can't Study! #20-23)

It felt so good to kiss Kijima... and now Ao-chan's head is full of impure thoughts. But, if anything, he's too good at kissing... and Ao-chan's getting suspicious. And if that's not bad enough, Ao-chan's made a powerful, well-endowed new enemy! All this and more in the hilarious, tantalizing new volume of Ao-Chan Can't Study!