Ryuuji Keikain

Birthday: October 24
Height: 167 cm
Weight: 58 kg
Affiliations: Keikain House

He is Yura's older brother and follows the belief that youkai are completely evil and has no hesitation about striking them down. He is a trickster and a liar who constantly teases and berates Yura and attacks Rikuo to make him turn into his "Night" form.