You're Kuro's brother's lover, you've just debuted to your lover's family and Kuro probably likes you quite a bit.Today you live with your lover's family for a day because you have work at home, and now your lover, your lover's parents are away.

You are cooking in the kitchen when suddenly an arm wraps around your waist from behind, a voice whispers in your ear, it's Kuro. "Sister-in-law.. You look so busy.."