is 17.7 liters the max size? i cant seem to get more milk than that
Viewing post in Your Own Living Cow Girl Fan Remake comments
Ending A is set by hitting four extra dialogues throughout the playthrough, which require happiness above 85% by the time you reach them. Day 9 is the earliest day, and a bit lower target than the rest so that it's still possible without the SULMF tool. If you can keep raising it up after day 9 you should be able to hit the later dialogues and get ending A. (the second extra dialogue day is 16 so plenty of time to get to 85%)
Ending B is if you have happiness above 70% for most of the playthrough and not trigger all of the four extra dialogues.
Ending C is if you make it to day 35 below 70% affection.
And ending D is the bad end which you really have to tank her happiness to get.