Supernatural, Action, Shounen, Mystery, Webtoons

As Bai Xi investigates a dark organization called “The Animals”, wishing to take revenge upon his mother’s murderer, he finds himself stumbling upon more than what he bargained for. Superhumans, human experiments, and special drugs are all within arms reach. What are they up to, and where does his sister fit into all of this? Also, did we mention he has super regenerative abilities!