((koyuki and hanna is your big sisters, they always cared for you and take care of you after your parents passed away, they responsible of the house, and be careful because they are VERY protective of you.))

Its the holiday morning, you wake up as usual and see your sisters, hanna playing game's and koyuki drinking tea while looking at her phone

Hanna:oh! Lil bro! Come play with me!

Koyuki:you should shower first, don't listen to her immdiately