Fail to pay the final $10,000 rent bill at the end of the month (Rent is due on the 30th of December) and get evicted.
Note: Getting this ending means you won't get any of the others in that particular playthrough.
Unlocks the "Cozy Hell" achievement.
Good Ending[]
Good Ending
Pay the final $10,000 rent bill on time.
Unlocks the "And now, for something completely different..." achievement.
*Kira* Miki's Ending[]
*Kira* Miki's Ending
Do not get Sei drunk on Day 1; do serve any non-alcoholic sweet drink for both her orders on Day 8. Next, buy Mulan Tea from the Shop and serve it to *Kira* Miki when she asks for something "Tea-like" on Day 2 and Day 17. Finally, serve Stella's first two drinks correctly on Day 3 (Piano Woman > Piano Man) and Day 7 (Beer > Something sweet).
Unlocks the "Listen to my song!" achievement.
Virgilio's Ending[]
Virgilio's ending
Do not get Sei drunk on Day 1; do serve any non-alcoholic sweet drink for both her orders on Day 8. Next, serve Stella's first two drinks correctly on Day 3 (Piano Woman > Piano Man) and Day 7 (Beer > Something sweet). Finally, serve Virgilio a spicy drink when he orders one on Day 14.
Unlocks the "Tim's Curry" achievement.
Dorothy's Ending[]
Dorothy's ending
On Day 2, serve Dorothy the Piano Woman she orders. Later on Day 12, when she asks for a Sugar Rush, serve a Piano Woman instead. When she asks you to guess what she'd order, serve a sweet drink, a girly drink, or Tea.
Pic related is a table showing what days to give certain drinks to get the perfect serve bonus This table does not cover specific endings and merely avoids mistakes. Accuracy of this and source are unknown.
Trivia[]
The image on the right is the placeholder screen Sukeban Games used while finishing coding the endings of the game.[1]