Rina Saijo (Saijo Rina) is Charismatic Girl from a wealthy family who transferred to Haruka's School in search of a boyfriend. Like Akiho she is very liberal in talking about sex related matters. but since she attended an all-girl school and could only find romance with other girls. her experience in romancing males is practically non excistent. she owns two dogs, butter and margarine. whom she regards as human beings.