One day, Shinobu, who loves children with his good nature, protects a beautiful boy named Shion who was soaking wet in front of his house because of rain. However, the moment Shion sucks on his injured finger, his starts to feel like he is in heat...! What's more, Shion suddenly transformed into an adult man in front of him...! Not only does Shion teaches him how to do all sorts of things to make his sensitive body feel good, but Shion also starts living with him in the same building...?
