Tenkou-saki no Seiso Karen na Bishoujo ga Mukashi Danshi to Omotte Issho ni Asonda Osananajimi datt

Tenkosaki: The Neat and Pretty Girl at My New School Is a Childhood Friend of Mine Who I Thought Was a Boy The Neat and Pretty Girl at My New School Is a Childhood Friend Who I Used to Play With Thinking She Was a Boy