itch.io

Maximize your intelligence  and talk to the sex toy seller in the park. "Missing" sex toys can be earned by completing side quests.

Buy a kitty costume in Hikaru's size and have him wear it at the love hotel. To trigger the event, your MC might have to be reversible.

Mistakes happen! Thanks for your hard work and dedication. It's impressive that you are making fixes when you should be resting!

Like Corrin, I didn't see any April Fools scene when I visited Shuu even after downloading the latest version.  Also, I didn't see any status change when the bar reached Crush, which I'm thinking precedes the confession.