BXBX NOVEL 
Sequel of Allison, taking place about 17 years after the original series.
- Volume 1 Prologue
- Volume 1 1 — And so the Two Left on a Trip
- Volume 1 2 — Tourism and Reality
- Volume 1 3 — Tour Planes and Fighter Planes
- Volume 1 4 — The Guiding One
- Volume 1 5 — Reunion
- Volume 1 6 — Wings of Death
- Volume 1 7 — Wings of Greater Good
- Volume 1 8 — No Other Choice
- Volume 1 9 — And so the two…
- Volume 1 Extra 1 — Will
- Volume 1 Extra 2 — Meg and Lillia
- Volume 2 1 — Things That Led Up to That Day
- Volume 2 2 — Everyone Heads to Iks
- Volume 2 3 — Festival Fire
- Volume 2 4 — Counterattack
- Volume 2 5 — The Treasure of Ikstova
- Volume 2 6 — The Bomb
- Volume 2 7 — The Secret of Ikstova
- Volume 2 8 — Major Travas’s Battle
- Volume 2 9 — Treize’s Battle
- Volume 2 10 — The Worthless Treasure
- Volume 2 Epilogue
- Volume 2 Extra — Meriel and Treize
- Volume 2 Side Story
- Volume 3 Carlo’s Excellent Adventure — Prelude
- Volume 3 Prologue
- Volume 3 1 — The Many Things That Led Up to That Day
- Volume 3 2 — After Spring Break Began…
- Volume 3 3 — And so They Met
- Volume 3 4 — Hilda and Lillia
- Volume 3 5 — The Motive
- Volume 3 6 — We are Not Murderers
- Volume 3 7 — From the Culprit, With Love
- Volume 3 8 — Rail Tracer
- Volume 3 9 — My Prince
- Volume 3 10 — Lillia and Treize
- Volume 3 Chronicling the Prince
