Mika Egashira is a classmate of Mitsumi's who became friends with Sousuke. Her pure nature inspired Mitsumi to confront her own complexes. She developed a caring relationship with Mitsumi. Mika has medium-long brown hair that falls at eyebrow level above her brown eyes. She is of average stature and often wears fashionable clothes. Her interest in fashion drives her to keep up with the latest trends and be approved of by others. Nao states that Mika frequently wears newly released clothing.