『Monster No. 8』 gag spin-off comic, limited edition acrylic diorama appears!!

A spin-off gag manga of "Monster No. 8"!
A defense force member who risks his life to protect people from attacking monsters.

A story about what they look like when they're not on duty!
Hibino Kafka's body is switched due to the shock of colliding with Reno...?!

A gag spin-off that will fill in the gaps in Monster 8's ingredients, 『Monster 8 RELAX』!!
A limited edition acrylic diorama filled with images of the defense team members when they are off duty is here!!

※ Limited edition composition
- 『Monster No. 8 RELAX 3』 volume
- 'Festival' acrylic diorama
- 4 types of special illustration cards
- Limited first edition hologram illustration card
- Limited first edition defense unit(?) 4-cut photo card