The Loki arc was intended to be Fafnir's arc according to Cool's comments at the end of volume 16. It still kinda is even though things like directly butting heads with Takiya and working through his dark past got dropped because he was pretty much already chill and playing games all by the...
This was happening on the old comp I'm stuck with as well, figured it was due to the out of date browser so didn't bother reporting it. Wierd that it's not consistent between pages though.
By the way licensed works on MangaDex usually have a link in the "Read or Buy" section of the work's front page, but I guess if you're the kind to just look at new chapters from the Latest Releases list you'll never see them.
Back in my day we played Pogs by stacking them in a column and slamming the stack with a heavier Slammer Pog, you guys played by laying them all flat and slamming the surface next to them with a regular Pog?