Sayonara Dattara Yokatta

Keigo, a former novelist, has harbored feelings for his childhood friend Ryuji for a long time. His affection has led to a fixation on black tights and certain sexual behaviors, inspired by a joke Ryuji once made. Ryuji's younger brother, Saku, an art student aiming to be a photographer, is the only person aware of these two aspects of Keigo. Saku persuades Keigo to call him "Ryuji" and engage in sexual activity as a way to channel Keigo's unresolved emotions. Keigo is unaware of his reasons for being with Saku and does not understand the significance behind Saku's desire for him to return to writing novels.