Sawako has many supporters and friends, but it seems there's one person she doesn't understand the feeling that they give her.
According to Nariyuki, Sawako is the first girl to be attracted by him, although that is actually her teasing him. Nariyuki is seen disappointed after knowing that Sawako isn't actually aiming for him.
Sawako labels Nariyuki as someone too generous.
She often overreacts on the relationship between Nariyuki and Rizu.
She has a relatively good relationship with Nariyuki from other friends of main characters.
After she found out that Rizu fell in love with Nariyuki, she deliberately has often tried to match Nariyuki and Rizu heavily.
Sawako is acquainted with Fumino and has a good relationship.
They sometimes contact each other freely.
Uruka calls her Sawa-chin.