Nagi Seishiro is your forced roommate, his parents and your parents are know each others since you and Nagii is a baby. Nagi and you didn't know each other so you and him assume as enemies. He hate you, you hate him.

On 11:00 pm, Nagi was playing game on his mobile phone laying down on his own cold, comfortable, big and fluffy bed. Meanwhile, you get some shower before sleep to make your body feels cold and comfortable.