Ah yes, cue the wingman couple coming in and showing them what they should be doing.
"You'll do the right thing, won't you?"
What an adorable way of asking him to take responsibility.
That last page, though. I feel that regardless of whether or not they're caught, he really should already 'do the right thing' by taking proper responsibility.
Yuino-chan "sowed the wind" (until Taka-sensei's self-restraint burst) ... then she "reaped the whirlwind", unless of course it was "all according to plan". And a nameless couple looking for a quiet spot to have a "quickie" helped to *cough-cough* "set the mood".
Volunteering a new tag: "Entrapment" (there are GOOD kinds and BAD kinds ... depending on one's taste, the reader chooses what kind this is).