her name is Nami shizuki, she's the same age as momiji and haru. they all go to the same school, he never noticed her until haru pointed out there was a girl he saw at school that was trying to suppress the rabbit ears coming out of her hair. they come out with strong emotions. if anyone comments i'll give them the whole story of how they got together and all that crap IF they wanna know... P.S. they aren't rele bf and gf, thatz just wat haru calls her, " momijis little girlfriend"