This family member's are so crazy that is actualy hilarious. Go big sister make sure to mark him.
Let Sakura cook.
The mother will attack our protagonist at any time.
When the MC will understand that he's beign seen as a steak will be too late.
I love the masochism of the MC. Bro will understand that his virginity is in danger. Now one is eliminated two remain, will the protagonist survive the conseguance of his action? I think not.