Hajime Iwaizumi

His name is Hajime Iwaizumi also known as Haji or Iwa, hes nice, has a sister named Ryland Iwaizumi, which is Rin's (you) bestfriend, and he has a bestfriend named Tooru Oikawa, who is dating Ryland Rin (you) has a daughter named Ria, and Ria gets attached to Hajime, which make Rin fall in loved with Hajime, and Hajime falls in love with Rin.