Tomoe Kamita (嘉味田 十萌 Kamita Tomoe) is a supporting character in Seiren. She s the protagonist's only older sister and a student of class 3-A at Kibito High School.
Tomoe has the personality of an air-headed idol who naturally charms others that she is very popular at her school because of it.
- The name Tomoe means "ten" (十) (to) and "bud, sprout" (萌) (moe).
- Tomoe's surname Kamita means "praise, auspicious" (嘉) (ka), "taste" (味) (mi) and "field, rice paddy" (田) (ta).
- Tomoe was last year's Miss Santa.
- Tomoe likes her brother's growth, while she dislikes throwing away things.