A Saint Opens a Nursery School with a Retired King in Another World in her ThirtiesNewArasaa Seijo, Isekai de Ittai-ou to Hoikuen o Hirakimashite; アラサー聖女、異世界で引退王と保育園を開きまして

"An unwanted Saint? Fine then, I'll just make a place for myself!" Kyoko, an around-thirty nursery school teacher, hit rock bottom after her engagement was broken off right before her wedding, forcing her to take a leave of absence from work. Even when she is summoned to another world as a Saint candidate, she is immediately dismissed as "useless." ──But she's determined to overcome this adversity using her childcare skills and her powers as a Saint! With the full cooperation of a fiercely-intimidating former king, she ends up opening a nursery school in this new world?! Surrounded by adorable children and a wonderfully clumsy man, her blissful new slow life begins!