A collection of Houkai Gakuen 2 stories.

A story arc that explores the fall of the previous civilization at the hands of the Honkai despite their unmatched technological capabilities. It Unravels the mysteries of the surrounding God Keys, a series of thirteen powerful weapons that were a statement of humanity's last stand.

(Timeline : The story related of Book 1005, and directly related to book 1002.)
There was an anomaly on the back of the eight-fold cherry blossom Stigmata of Theresa, which caused Teresa fell into coma. In order to wake up her. Mei entered the data space inside that mysterious stigmata to investigate the cause of the anomaly. Inside dataspace time, "SHE" was also appeared in front of Teresa who was enclosed in the sacred space...

Musyoku Kika was born in an ancient family in the East. They were rumored to have been a well-known demon family in Shinano, but it was gradually forgotten because of the decline of the name. Until later, under the excavation of the destiny , it was revived belonging to Shicksal, and changing the surname to "Colorless".

When Seele and Bronya were at the Cocolia Orphanage, they used to watch fairy tales together in a huge toy box.
In the memory of the two, the story in the fairy tale has become a precious memory of the two.
Even after Seele accepted the experiment as a quantum state, this memory still had no use to dissipate.

This is a story about the Valkyries living in the dorm and their culinary adventures. Each valkyrie has a different specialty but they all share the same desire to convey their feelings to their loved ones through cooking.

4 Koma based on the mobile game Gun Girlz (Honkai Gakuen)

The origin of Hakase from GGZ

A series created in lieu of the Honkai Impact 3rd Anniversary Event, the Summer Memories Arc lets readers take a closer look into the daily lives of St Freya's Valkyries as they enjoy the sights and sounds of the coastal city of Soukai, bathed in brilliant sunlight as wispy clouds scuddle across the azure sky. No matter whether it's Kiana consulting the great Bishop for culinary advice, or Himeko visiting the Yae Hospital to look for a magical love potion, there's never a dull moment in sight when the girls are serious about having fun!

A collection of Houkai Gakuen lost comics (deleted before HI3 released)