Sanae Nakazawa is the chief of the Nankatsu cheerleaders' club. She's acts like a tomboy and wears boyish clothes for the cheerleader club and is prone to mood-swings . She fell in love with Tsubasa at almost first sight and is prone to feelings of jealousy when Tsubasa is seen with other girls or when other girls pay attention to him. Even when she's chearleading she tends to focus her attention on Tsubasa alone. After the time skip she acquires more feminine mannerisms and clothes, with some little  mood swings from time to time. She's not too knowledgeable about football, though.