This guy with black hair and big green eyes is called Yuichiro Hyakuya or Yu and he is a member of the Japanese Imperial Demon Army in the interesting manga and anime Seraph of the End. His real name is Yuichiro Amane, he possesses the Seraph gene and is excellent with a sword, because he was trained by Guren. Yuichiro Hyakuya is a very honest, brave, and open-minded guy, which has a somewhat weird sense of humor. The anime cursor for a mouse from Seraph of the End with Yuichiro Hyakuya and his Sword!