Tatsuha Uesugi (上杉 樹把, Uesugi Tatsuha?) is Eiri's brother, who has the same voice and characteristics as his older brother, but with black hair and eyes. Tatsuha is obsessed with Ryūichi and watches his Nittle Grasper video repetitively. He's quite the perverted and obsessive fan, not to mention a 16-year-old monk. Tatsuha Uesugi is voiced by Hideo Ishikawa in Japanese and Jason Griffith in English. Both also voiced the OVA, but Jason Griffith is using J.Griff.