I Don't Know My Childhood Friend's Gender summary: You are reading I Don't Know My Childhood Friend's Gender manga, one of the most popular manga covering in Comedy, Romance genres, written by at MangaBuddy, a top manga site to offering for free. I Don't Know My Childhood Friend's Gender has 1 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add I Don't Know My Childhood Friend's Gender to your bookmark. Ore No Osananajimi No Seibetsu Ga Wakaranai My childhood friend, the one I promised to marry, has finally come home. But the person standing before me is nothing like I remember. 'Wait... are you a guy? Or a girl? Which is it?' As confusion swirls in my mind, my heart won't stop racing. Is it okay to think they're cute? Or would that be wrong?