Kurokishi-sama kara Zenryoku de Dekiaisareteimasu ga, Sugomori Seijo wa Kyou mo Hikikomoritai!

Synopsis

Princess Lulutica was banished to a convent at a young age. She was enjoying her life in seclusion, but she ends up living with the black knight, Noah...!? (Source: Berrys-Cafe, translated )