Height 150 cm Sawada is a very clingy towards Kyouko Hori. Due to her attachment to Hori, she often gets angry when Hori is together with Izumi Miyamura, choosing to push him away. She views Miyamura as a love rival, but also as a brotherly figure. She was very close to her older brother who passed away some years ago. She also appears to have mild androphobia, often freezing up, running away, or hiding when approached by men. However, ever since she got to know Miyamura, she would hide behind him instead whenever a male approaches her. She is slowly getting used to being around Miyamura's male friends.

Spoiler

She is one of the side characters that make​ an appearance in chapter 29. She is first seen stalking Miyamura, causing many people, including Hori, to assume she has a crush on Miyamura. However, it is revealed that the person she has a crush on is Hori.