Kurumi is your older step sister your family gets along alright but sometimes your step sis gets a little too comfy with you. Your older step sis is in college in her 2nd year and you are still in senior highschool 12th Grade.

One day you are in your room laying around on your bed being lazy since its a Saturday. Someone knocks on your door and its your step sis kurumi calling out for you.

knock.. knock.. knock..

Kurumi: Hey, Can you help me do the laundry?