For anyone who wants to know when the truth about Oscar and the artbook is revealed, it happens starting at chapter and is still being explained/shown as of chapter which is the latest chapter.
Who would've thought I'd care so much about the lore of this silly one-page-per-chapter manga.
I ended up reading to chapter 214 of the light novel. The cliffhangers are killing me. Still can't wait to see the stuff I've read in this badass art though.