Gijin(2019)

Gijin

The manga's story begins when high school student Kiriko is suddenly assaulted by a man who has seemingly transformed into something monstrous during a train ride. Her classmate and biology club member Sōta helps her out, and she is able to escape thanks to his quick thinking. But when she runs home, the only thing waiting for her are more monsters.

(Source: Anime News Network)