Natsumushi The Animation – Episode 1

Natsumushi The Animation – Episode 1: A young man discovers the true erotic touch with it he can tease almost reaching orgasm on any woman, so he decides to use it on his chosen target with some interesting results.

(Source: ANN)
Alternative
Natsumushi The Animation – 하충 – なつむし – 夏蟲 THE ANIMATION