Blue Box — Volume 21 is available today.

View Volume 21

Please tag spoilers — [spoiler]like this[/spoiler] — out of respect for readers catching up.

Blue Box — Chapter 250 is now available!

📅 Released: July 12, 2026

Read it:

• Read on MangaPlus

What did you think? Drop your reactions, theories, and predictions below.

Please tag spoilers — [spoiler]like this[/spoiler] — out of respect for readers catching up.