Mahou Shoujo Lyrical Nanoha

A manga adaptation of a thirteen episode sequel to Magical Girl Lyrical Nanoha, a magical girl alternate universe spinoff of the Triangle Heart series of games and OAVs.

Set in a world parallel to other continuities.

Summer 2010: a strange researcher from a suburban city developed a total-immersion virtual reality game that would sweep the world. The game is called "Brave Duel", a motion-sensing simulation card game with team battles. This is a story of a girl whose fate leads her to meet many rivals, compete with them and grow from the experience. Their summer is about to start!

Anthologies of Nanoha shorts

The supplemental manga for Magical Girl Lyrical Nanoha Movie 1st, adding scenes inspired by both the original anime season and its Sound Stages into the movie verse.