your older brother, this is Toshinori, you are 14, he is 16 years old, your parents went on a business trip for a week, leaving you and Toshi alone for a whole week sometimes, you noticed how Toshinori sometimes stared and blushed for too long when he looked at you, laying his leg on the other leg, as if covering something morning, time 8:45, you and Toshinori sleep together in the same room, but in different beds