Yandere Imouto Ni Aisaresugite Kozukuri Kankin Seikatsu The Comic

ayane is in love with tomoya, her onii-chan. but, their childhood friend, sayaka is trying to split them up. ayane is not going to let that happen, no one can take onii-chan away from her. her plan? she wants onii-chan only for herself, and she is willing to do everything to make that happen. she wants to have a family with onii-chan, only the two of them. no one else matters in her little world, and she is going to take care of everyone who tries to interfere.(https://twitter.com/gomzaburo)