No idea if there's a popular term for it, either. Just one thing to note: not from any personal experience - depending on the elasticity of the panty fabric, there is the possibility of the male inflicting a rather nasty burn on his penis as it rubs against the fabric at the same rate as his pelvic thrusts; maybe even the same applies if he lies or sits still while the female does all the movements.
Conclusion: the laws of science (in this case, elasticity and friction) don't necesarily take a break, even in the face of "sexy time".
Shinoda-san engaged 'Entrapment' strategy, with back up from Hoshino and Iida. When coupled with Sensei's built-up fatigue and possible suppressed urges ..... IT'S SUPER-EFFECTIVE; he had No Chance of either resisting or escape.
Ah yes, of course you don't show the 'naughty options' straight up, hmm?
I like how he was totally unfazed by her sob story (which was a lie anyway) and just straight up told her to quit, offering to pay for the boarding house.
They had to actually resort to drugging him and essentially tying him up to force their service onto him and basically get him hooked. And he fell for it, hook, line, and sinker. Well, it's not such a bad thing, surely? Might have cost a pretty penny though, but I'm sure it was worth it.