That's not an ending. Just some BS that goes nowhere near the plot and no way to win regardless of choices ends in that 5 minute "I'm so done working on this game" ending.
Not sure which game you played, but Once in a Lifetime not only tied up the main plotline with a pretty bow, it also gave the MC and all his lovely ladies a wonderful happy ending. (If you're not seeing it, though - check their stats regularly to make sure you haven't locked one of them out. The harem ending is the "good ending.")