Hito to Shite Tsukiaetara

Asakura, a stubborn virgin, is growing day by day with the desire to have a girlfriend. Meanwhile, he suddenly becomes close to Tsukishiro, a beautiful woman he sees at work! They start seeing each other more frequently, and when they finally decide to have a physical relationship, he finds out about her sexual orientation! This story is based on the theme of "asexuality," and depicts a new way of forming a bond that is unique, but not romantic.

(Source: Kodansha, translated)