The game says to go to hornet pub. The leader will be waiting for you outside and with the girl you save. I check your save and it worked just fine. If nothing shows up for you, then something is wrong with your game folder or your timing ( it suppose to be morning). It is working fine for me on v0.98.6 + pc cheat mod.
Go to one of the classroom and the event will trigger if memory serves right
If you don't pm/dm me YOUR save, don't expect me to respond.
If you want the other person save, then please message them. Hope this is reasonable

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This means end of content. Once you do it already, it just repeats. Was a quick way for the dev to allow the mc to build up points for threesome etc