Otoko wo Yametemita: Gan ni Natta node Josou shite Koi wo Suru Koto ni Shimashita

One day, the main character, Nagisa Hajime, is suddenly diagnosed with cancer. With the little time they have left, they decide to live as themself. To do so, they decide to renounce the gender they were assigned at birth, male, and go out into the city. Nagisa then goes through a series of incidents and events they never experienced before. The author lays bare their soul as they recount their personal experiences in this great LGBT work.

(Source: Taiyo Tosho, translated)