Marin Ogura

Marin Ogura (小倉まりん Ogura Marin) is the best friend of Hanabi Ayase and Yui Aoi who makes up the three-girl clique along with them. She thinks that boys her age are immature but helps her friends during their love troubles normally by acting like a love adviser, conveying the wisdom of her unseen elder sister, who has apparently had several boyfriends.