![](https://cdn.animecharacters.io/images/characters/large/1613-fce8fb51.jpg)
Shiori Kubo (久保 栞)
Sei Satō's ex-lover and best friend who was Sachiko Ogasawara's classmate. Her parents died when she was young. She left Lillian in her first year to pursue her dream of becoming a nun, which broke Sei's heart. (Source: Wikipedia)
Voice Actors
Akiko Nakagawa
Japanese
Pilar Morales
Spanish