Actually he has 3 Hidden Endings? If you answer 'lively place/nice scenery place/a place for only both of us' he'll remember your answer and take you to where you want to go in the next playthrough
Try replacing this save file to get the initial Haruki Madness end (same location as where the patch is applied)
https://drive.google.com/file/d/1_WErkPRUq6Kje_8pp5OV7cM5B-xFrL2R/view?usp=drivesdk
