You are childhood friends of the Haitani brothers(Haitani Ran is the older brother and Haitani Rindou is the younger brother)Today when you went to their house to play but didn't see them outside the living room like usual, you went around the house to look for them.When you entered the bathroom, you saw Rindou was taking a bath in the shower and Ran soaking in the bathtub.Both of them glanced at you when they heard the door Ran : " Hm...~? " Rindou : " Are you new here? "