Rosa/Rinoa/Lyria Holes Filled:

I gradually realized the true purpose of this section of the book (chapter 43) was to speed explain Christopher's attraction to 15 otherwise neglected waifus.  This worked brilliantly for 12 waifus, but 3 were skipped over until now due to how the conversation happened to flow.  On my 20th re-read and re-edit, I filled in the hole of the 3 missing explanations by forcefully diverting that flow:

　　"Lyria's optimistic, altruistic, agreeable and beautiful. Plus the fact that we share a single intertwined life and can never separate again is so romantic. I'm super fond of girls who can't get away." I bragged about something stupid.

　　"I'm telling Orihime to reject that curse next time I see her." Lafiel laid waste to all my hopes and dreams.

　　"As for Rinoa, I fell for her in two parts. First when she took me out to the dance floor, the epitome of grace and good cheer. Second when she floated into my lap during reentry, the epitome of fawning dependency. She showed me so many faces, but most of all she put her faith in me from start to finish. I'd go to the ends of the Earth, in fact I went beyond the ends of the Earth, to answer those expectations." I explained.

　　"And Rosa?" Lafiel prompted.

　　"Rosa was my destined partner from the beginning. Blonde haired and blue-eyed, with a perfect figure, she's the physical ideal. Always supporting me like a proper wife and following my lead even into exile from her homeland, kissing me any excuse she got, and ultimately marrying me before we even got here, she's the romantic ideal. Willful and courageous, stoically withstanding lethal diseases and frightful kidnappings, all while tenderly caring for those around her, she's the moral ideal. Defeating enemies left and right via her crafty selection of the perfect arrow for the job while also being the most skilled white mage in the world, she's the mental ideal. If Rosa doesn't qualify as a lover, who would?" I gushed.

　　"Luckily they're all from famous rpg's Aoba's already upgraded, so my advice is the same, dive into VR and relive your glory days together." Lafiel instructed.

　　"So that gets us down to 9." I ticked off my fingers excitedly.

That wasn't my only edit, though.  I also corrected Rosa's name to include her middle name, Joanna, and her appearance description to include her tiara.  Rosa's plot hole was clearly the most dire, but it's all fixed now.

Like this my edits will gradually fill in all the cracks.  Once my 20th re-read is through '100 Waifus' will be perfect.