Tenshou shita Dai Seijo wa, Seijo de Aru Koto wo Hita Kakusu ZERO
The story takes place 300 years earlier in the Kingdom of Nave. It is a story about a young saint with extraordinary healing power. Seraphina, the princess of the Kingdom of Nave, was born blind and lived her life hidden away in the forest. She was living a peaceful life, accompanied by forest spirits, when a visitor arrives. "You must be Seraphina. I am Sirius Ulysses, your cousin." Sirius, the young vice-captain of the Unicorn Knights, does not force Seraphina to immediately return to the capital. Instead, he spends time in the forest with her, until an incident awakens her abilities and... A fun and lively story of a young saint and the strongest knight.