The lips, not resemble to his ones.
あの人と似てない唇
Kaji has been in love with his sempai for years, but his sempai got married and had a child. Kaji takes care of the kid and watches him grow up, his feelings unresolved. In a sequel, their story continues.
Other stories explore tangled relationships: rival half brothers confront their anger and desire after their father's death; an exorcist investigates a demonic mystery in a historical fantasy; step siblings engage in an extreme S&M dynamic; and a former gangster turned office worker still sleeps with his gangster lover, causing tension with a newbie who dislikes seeing his favorite 'boss' with an office worker.