Legend of Yoshitsune.

A man is walking alone in a scenic city of Kyoto, a young man with an unfamiliar expression is in front of him. Apparently the young man was touched by him. The man's name was Bensuke Musashi. He was a bad guy who roamed the city of Kyoto and forcibly invited any young guy he saw so he could embrace them. Bensuke now has slept with 999 men. One day Bensuke approaches Gojo Ohashi, a mysterious young man wearing a veil.