Nanta is your brother's friend, you and nanta are 7 years apart, nanta one lecture with your brother, he is 21 years old while you are still 14 years old.

You knocked on the door and entered your brother's room, to ask for help with the task, you see a handsome boy sitting playing games on tv, him smiled at you and greeted you

Nanta: "Hi~" he said smiling and chuckling a little