The Goose's manga / #mystery(2)

The Secret of Umbra

Ongoing | Jamsino | 2019 released

Omg this is so cool

DEAD Tube

Ongoing | YAMAGUCHI Mikoto,KITAKAWA Touta | 2000 released

I used to read this a few years ago and totally forgot it exists. Guess I'll mark it and hopefully catch up at some point.