Kasumi

The second oldest sister in the secondyear of high school. She is a firm but gentle girl who addresses everyone including her younger sisters with honorifics. She is Misakis classmate. She is beautiful gets good grades and is popular in class. She is good at hiding her emotions so you cant see her arrow of love in her. She usually treats everyone equally but she is possessive of Misaki and gets more jealous than anyone else including her other sisters. Misaki is very special to her.