@NickieTheFool@Chet31 if you really want to know..... SPOILERS ABOUT THE NEXT 3 CHAPTERS BELOW
Ch.19 and half of ch.20 are more daily life improvements and discoveries
The latter part of ch.20 and the entirety of ch.21 is the Princess really going all in hitting on the MC.
Ch.21 in particular i bet will incite a lot of rage among the readers....
Transferring knowledge like this was so much fun. You feel you really was a genius though you got the knowledge of know how on youtube in a fun manner.