Published in the magazines in years between 1999~2007 irregulary, was made into book in 2014 as bunkoban with over 300 pages. Tells the story of Saya’s younger sister, Ayuko. Also includes Tsuge’s younger brother, Akira’s story, *green green green.*

Treasure Hunters - Adventurers who search for buried treasure scattered around the world. In Shinjuku, Tokyo, a young man appears as a transfer student at Kamiyoshi Academy. While he seems like a normal student, he is actually a treasure hunter. His mission is to discover a mysterious ruin hidden deep beneath the school. Accompanied by his new friends from school, he sets out to discover the mysteries of a super ancient civilization. However, numerous traps, monsters called "Kehito" that lurk within the ruins, and the clutches of the "student council" stand in his way! (Source: Arc System Works)

Anthology of short stories based on the Digital Devil Saga: Avatar Tuner 2 video game.

*Note: Original 1992 edition was printed as part of "Bouquet Comics", the 2002 edition has been under "Margaret Comics" ever since.*