魔法少女のカレイなる余生 (Series) favorite_border

[DeepL Translation - needs review] Introduction to Volume 1: Shimima, who dreams of becoming a magical girl, is admitted to the training school of her dreams. However, she is assigned to a dormitory where retired magical girls live! Retired Magical Girls do not age, and living together with these girls, who have become a disappointment in many ways as they live in perpetuity, what is in store for Shizima's future...?

(Translator: DeepL)