Otouto wa, Ookami.Kanzen Date Manual; Kimi Fechi; My Brother is a Wolf; My Younger Brother is a Wolf; Otouto wa Ookami; Otouto wa, Ookami; สะดุดรักร้ายนายหมาป่า; 完全デートマニュアル; 弟は、オオカミ。; 弟弟是大野狼; 弟弟是野狼

Beitofuku's father remarried a week ago and her step brother turns out to be the school's most popular guy, Aizawa Hiroki. Giving the appearance of a gentleman it turns out he's a huge playboy, trying to "capture" her to prove they can't be a family!?