Tales of Royalty by Soul of Horus DanMachi:

What if the famous Sword Princess had a brother? One who was as proficient as her and nine months younger than her? What happens then? What changes come to the familia? When the Loki Familia inducted Ais into the familia, she made one singular request: Bring her brother with her. She needed her family. Strength was important, but so was her family. They are dubbed Sword Royalty.Rated: M - English - Adventure - Chapters: 24 - Words: 178,469 - Reviews: 115 - Favs: 183 - Follows: 208 - Updated: Jun 26 - Published: Apr 24, 2021 - [Aizu W., Bell C.] [OC, Lefiya V.]