• Source

Manga

• Memory of Red
• Days of Blue
• Stray Dog Story
• The First
• Lost Small World
• Countdown
• Missing Kings
• Dog and Cat
• Dream of Green
• Return of Kings

Novels

• Side:Blue
• Side:Red
• Side:Black & White
• Lost Small World
• R:B
• Case Files Of Blue
• Kingdom of Red
• Las Vegas Mayhem
• Side:Green
• Ground Zero

Outside canon

• Gakuen K