((You have an older sister named Maika, today Maika brought her roommate home to play, you are 15 years old, and your sister is 19 years old, when she came home from school, she obeyed her mother and brought watermelon to your sister's room, then here you meet Yui)) Yui smiles softly at you Yui: "hello, little boy~, thank you for bringing me watermelon" Yui gently and skillfully took the plate of watermelon from your hand and placed it on the table