Ryousuke Kirishima

Birthday: April 9
Gender: Male
Blood Type: B
Height: 172 cm
Weight: 62 kg
Hair: Black
Likes: Kansetsuman

As a child, his parents deserted him and he was raised at the Hidamari Garden Children's Nursing Home. There, he became fast friends with fellow orphan Haru, often defending her when others made her cry.
With a strong sense of justice, he believed in never ignoring someone who needed help.

He was killed on the day of his sons' birth when he jumped in front of a car to protect a young Taisuke, who had been playing in the street.
He is Yuusuke (Bossun) and Sasuke's (Tsubaki) biological father.

Manga Debut: Chapter 81 (One Guy's Quiet Day Off)
Anime Debut: Episode 45 (Whispered Onee-san Instruct-son)

(Source: Wikia)