Kang Geon became famous as a sexizer (s** + energizer). He was a [top position] who only pursued one night stands. However, out of the blue, he gets rid of his sexual desires by the pastor, and becomes a eunuch who withers like dry grass in an empty field for four years... As fate would have it, a handsome male customer, 'Jeong Soo-oh', comes to his tattoo shop. No, a dead skewer suddenly takes off? ! A customer who is attractive not only because of his strong body and handsome appearance, but also because he has the same name as his first love from high school. Every time he sees that customer, his sexual desire surges and Kang Geon is confused. 'This might be a G**-given opportunity!' Je-Jeok, who only had the goal of escaping as a eunuch, falls in love with Su-Oh's kindness and unexpected charm. As Kang Geon gets closer to Suo, his interest in [bottom position] grows. The key to saving him is Jeong Su-oh, a customer at the tattoo shop. Will Kang Geon be able to regain his exorcised sexual desire and seduce Su-oh?