Sooo, ive recently resetted my pc and wasnt able to recover my save file from v12. I’ve created a new playthrough ever since v13 came out but wasn’t able to get pass certain unfixed soft locked places
Try talking to the man he wont give you the egg if your party is full / he will send it to your pc
If you talk to the daycare woman she will tell you to meet her husband (man with your egg) (considering 2 of your pokemon made an egg
as for storyline, tbh fan games are much better than original ones but i still recommend you on playing as black and white IMO is one on the best pokemon games out of all generations
At Sheridan village, theres a farmer that sells moomoo milk at daytime. She's located on the local store. There's another one before entering GDC (A farm which has its own sidequest as well)