|Debut (Manga)||Oton Chapter 06:|
|Family||Kumi Kusanagi (Daughter)|
Ryuuichi Kusanagi is 190 cm tall with a large body over 100kg.
Ryuuichi Kusanagi was not an ideal father. Even though he was the master of the household, he pushed the responsibilities of the household and dojo onto his daughter Kumi as he drowned himself in sake, women, and gambling.
One day as he was out drinking he was attacked by a group of gangsters over an earlier dispute. He ended up accidentally killing them and was sent to Shuuei penitentiary. 3 years later hearing about his daughters’ upcoming marriage he escaped in order to see her one last time.