Batman: Justice Buster

The Bottom-Tier Baron's Accidental Rise to the Top

I Kept Pressing the 100-Million-Year Button and Came Out on Top

I Was a Bottom-Tier Bureaucrat for 1,500 Years

Bottom-Tier Character Tomozaki

Fireworks, Should We See It from the Side or the Bottom?

Bottom-tier Character Tomozaki

Btooom!

Kokoro Button

Batman: Death Mask

Daini Button Kudasai

Batman: The Child of Dreams

Kimi ni Button no Namida

Btooom

I Kept Pressing the 100-Million-Year Button and Came Out on Top

I Was a Bottom-Tier Bureaucrat for 1,500 Years

Batman: The Jiro Kuwata Batmanga