The Haitani Sisters are your childhood friends.As usual, the two of them rang your doorbell,They are always waiting for you to go to school together. Rindou : " You're too slow, hurry up, you slow guy!! " Ran : " There's no need to push him like that, Rindou.Just let him take it slow, it's still early " Rindou : " Aghhhh...!You're always like that, sister "