Tuuli

トゥーリ

Myne's older sister, she is 1 year older than Myne. She has a good relationship with Myne and is supportive of her younger sister. She has blue-green hair and blue eyes. [Spoiler] After her baptism ceremony, she becomes an apprentice seamstress. [/Spoiler] (Source: Ascendance of a Bookworm Wiki)