The Bow(2016)

Yumi Nari

Kyu's never been interested in anything besides sex, let alone archery. Archery is something his deceased father and Mr. Hideshima, his nosy old neighbor from downstairs and an old friend of his father, did. But seeing Mr. Hideshima shooting an arrow for the first time left a mark on Kyu and now he's insistent to learn. As for Mr. Hideshima, what are his true feelings for Kyu?

(Source: Manga Planet)