I feel like the odd man out here, but to me, a CPR class isn't sexually exciting at all. I like the idea that the girls may get embarrassed learning how to do chest compressions or force oxygen into a person that isn't breathing, but intent matters a lot when physical proximity is required, and I can't imagine anyone but Debbie trying to turn this lesson into a make-out session. Any new content is appreciated, and maybe I should think of it as indoctrinating the girls into following our instruction without question, but I think this scene is genuinely useful information for the girls to have, and I'd love for a later payoff in which Ruth or the Secretary of Education have their life saved because the headmaster trained the girls in CPR.
As a side note: I appreciate that, as near as I can tell,
AltosandHerdone did not pervert the actual method of CPR training to make the lesson into something titillating. I could imagine a dev putting in misinformation about removing restrictive clothing that makes it hard to breathe, to try and force a "hot" scene with gratuitous nudity, (a trope I have seen in the past to make CPR training into foreplay) but it appears that the lesson here is mostly legitimate practice, based solely on the pictures provided. It may be asking a lot, but I like the idea that people may play a lewd game and end up with legitimate knowledge of how to save the life of someone whose breathing and heartbeat have stopped.