I beat the game with 100% completed card collection, 100% monster encyclopedia with all drop/steal records, 100 affection for all monster girls and all lovers unlocked, but this game I WON'T share my save since it's really worth playing, and I can vouch that this doesn't have moonrune challenges like ROBFEOY
I suggest getting the Gold slime's card and evolving a green slime to the gold slime at the start of the game, card gives 15% extra drop rate, and the gold slime itself gives 10%, most importantly its 50 affection unlocked assist skill gives 100% extra drop rate for the rest of the battle, which is extremely useful if you want to collect everything