Romance, Slice of Life, Yaoi, Adult

Kurebe Tooru has a person whom he should not fall in love with and escapes by getting into a relationship with his university professor. Orphaned at a young age, he was brought up by his grandfather, and then his uncle after his grandfather passed away. After falling in love with his uncle, he decides to leave him to study in Tokyo, but things change when he goes back to Osaka for an old friend's wedding...