Kameba Kamu Hodo Amaku Naru - Vol. 3 Ch. 9

[MangaDex]

 

[S1arburst]

This guy has a scientific attitude. "My heart raced when I hugged her. Why? Does it race when I hug a guy friend? No?" Experiment No. 2. Hug her again. Confirmed. It's just her that makes my heart race. Step 3, talk to her about it.

I think this approach is hot.