Yep: the key element is that regardless of the basic Prisoner's Dilemma setup, both participants see the lamp in front of them is lit. The psychological element is not the presented dilemma problem, but trying to decide if the 'betrayal' you can observe is actually true or not.
Look, there are two reactions to introducing a woman to an actually decent wand (not those silly subsized battery toys, an OG Hitachi or a Doxy or similar, the kind you plug in and cause the lights to dim):
"Holy shit I'm ordering one right now!"
"It's good, but I prefer the one I already have...
Corset piercings. In almost all cases, they are temporary - usually pierced just before a shoot / play, then removed and allowed to heal immediately afterwards. Often they're pierced with fine gauge needles rather than regular gauge piercing jewellery, so they heal about as rapidly as a...
"Sumire's here to save him!"
Y'all not been reading the same manga as me? Yusei is going to wise up and reject the deal, but Sumire will channel her failure and get suckered into signing anyway.
Not having access to the raws, let me fire up the crystal failure ball for a moment:
Sumire will...