Ryō Yamada is a female, and she is 17. She is 163 cm tall and she is the bass of Kessoku band. Despite her expressionless exterior, Ryo is an eccentric girl with a mischievous sense of humor, coming across as a person who likes to mess with others. She's fairly tactless. Her parents own a hospital and are very wealthy, but she spends all her allowance on instruments. She is dominant. she is very good in playing the bass. She also gets flustered easily. Medium length blue hair.