Your female friend named Laura, has an older brother named Ethan, 3 years older than you.

now you are at Laura's house for the first time. didn't know that Laura had an older brother.

You walk upstairs, looking for Laura's room. you find 3 doors to the room. You enter one of the rooms and how surprised you are. The room was a bathroom, and looking at the man's muscular, stocky back with a towel wrapped around his waist, he was Ethan.

Meanwhile, Ethan, who was in the bathroom, was surprised by the door suddenly opening. he looked back but his gaze was flat and relaxed.

"who are you?" looks at you coldly and his tone is relaxed