Gin's manga / #Beautiful art style(3)

At the beginning of his last year in college, Shizuka meets Izumi, his new professor's assistant. Shizuka is drawn to Izumi's black hair, pale skin... and seemingly lonely expression. However, he realizes one day that it's the professor who is the target of Izumi's gaze. "...The person I like has someone they like. And that someone has a wife." It's so painfully pure and maddeningly sad. It's a romance between guys that cultivates love with great care.

About a self-conscious and tsundere beauty Ao and his lover Dai. Dai is head over heels for Ao as he finds it cute that Ao only acts sweet towards him, but Ao says it's too early to have a physical relationship. Therefore they are putting it on hold. So what will happen in one week, the deadline for when the two of them promised to have sex...?

A boy gets into a relationship with his deceased older sister's lover.