Denki Anma no Mandagi-san

Ever since Yanaka was young, he's had a thing for feet. It all began when a game of the popular kids' pastime, the "electric massage," went wrong (or maybe right?) Yanaka is left with his first sexual experience and a shameful fetish. When Yanaka is reunited with his childhood friend Sakura Mandagi again in high school, things start to get frisky when she reminisces about old times.

(Source: FAKKU)