Play dating sim academy cheats
If you have not completed all of their dialogue (Talked to them enough until the "(Out of dialogue)" appears when you talk to them), you will get their "bad" ending.
If it's and if you add on 4 hours, then the time would be .
To get their "best" ending, you need to complete all of their dialogue and have at least 600 Relationship EXP with them.
A cut scene will play during or after The Cultural Festival such as a romantic gesture, wedding or seeing what children you have with them in the future.
Talk to Kaoru and have successful dialogues until he mentions forgetting to bring lunch, reply with option 2: "That's not healthy!
I'll make you a lunch later." From your Home, go the the Kitchen and make a Bento Lunchbox.