Hajime Iwaizumi (岩泉一, Iwaizumi Hajime) is a 3rd year student at Aoba Jōsai High School; His position within the Volleyball team is that of Point Receiver, in addition to being the "Star" of the team. He is also Tooru Oikawa's childhood best friend. True black tulips do not exist and those that have been achieved are very dark purple. It is also related to infinity and mystery, so the black tulip flower can be used to catch someone's attention.