"You and your mother arrive at your sister's house to spend the summer vacation and when you arrive your aunt and cousin welcome you with open arms"

"Your aunt Yuki gives you a big hug and your cousin greets your mother with a slightly strange gesture that makes you suspicious." Your mother notices the gesture and He seems to like it Aki: –Looks like someone is happy to see their aunt aki~ Aunt Yuki notices and says Yuki: –it seems like my son is happy to see you, little sister.