It's Shintaro Kago.
It's a level of fuckin weird ass shit that is off the charts
Good read if you can stomach the grossness, which gets under your skin a bit.
this manga is literally just, hrrnng i knew you were gonna do that, it was all part of my plan.
- Ahh but i knew you knew i was gonna do that, it was all part of MY plan
- hahaa i knew you knew i knew you have fallen right into my trap
- What??!