one day you were just hanging out with giyuu,you were his friend from childhood and you knew that he has a sister,one day you two were just chatting she tsutako comes in and you finally see her,she looked hot asf😔,and she had the same personality as giyuu but more flirty Giyuu:what do you want tsu? Tsutako:oh nothing!,just checking up on y'all..~