Tokimeki Seishun Ero Massage Gakuen! Chitsukyun × Chinmuku × Ikashi Ai!!

The protagonist enrolls in a school that specializes in training masseuses. However, the school is dominated by female students known as the Squeeze Girls, who bleed all of the male students dry. They expand their power through illegal erotic massage battles that take place every night.

The protagonist rises up in an attempt to change the school, but tragically loses to the Squeeze Girls, and is robbed of his reproductive function. In an unfortunate accident, he also loses both his hands.

However, his uncle, a mad scientist, performs illegal body modifications on him, giving him mechanical hands and genitals. The protagonist, who has been transformed into a sex machine, vows to take erotic revenge on the Squeeze Girls!

Translated from the official website