This is the experimental Sentinel.

prolog

작까

Hahahaha....

작까

I'm a writer who was completely devastated after about three peonies flew away.

작까

Hahaha....let's go back to the beginning

작까

I've rested enough

작까

Let's all go back to the beginning haha ​​haha ​​hot.....

최승철

Choi Seung-cheol, 26, is a S-class guide. He is a newly hired researcher who mainly makes drugs. He is in charge of Seo Myeong-ho.

홍지수

Hong Ji-soo, 26, Guide SS-rank, researcher who transferred, mainly checks the guiding status. Seo Myeong-ho in charge.

이지훈

Lee Ji-hoon, 25, is a S-class doctor. He is the new person in charge of Seo Myeong-ho.

김민규

Kim Min-gyu, 24, transferred to S-class doctor guide position with Lee Ji-hoon.

이 찬

Lee Chan 23 is a new guide, a Grade A. He mainly takes care of Myungho and experiments with him. He is in charge of Seo Myeongho.

서명호

Seo Myeong-ho, 19th generation test subject, Sentinel class, continues to develop immeasurable abilities, is very mature for his age, but is very weak on the inside, and is severely thin for his height.

작까

Hahahaha... Let's cheer up, Yajeong... Fighting...