Kaijuu Jieitai

Kaijuu Jieitai summary: In year X of Reiwa, an undersea landslide caused a massive tsunami in the Pacific Ocean. However, this was only the beginning of a new disaster. Monsters have appeared, but there are no heroes. Can humanity win peace by its own strength?! Inoue Junya of *BTOOOM!* presents with history and military specialist Shirato Seiichi a mega-realistic monster-busting story! - [Wikipedia](https://ja.wikipedia.org/wiki/%E6%80%AA%E7%8D%A3%E8%87%AA%E8%A1%9B%E9%9A%8A)