Since it is browser-based, you don't necessarily need an APK. You can create a "web app" shortcut:
: The story unfolds based on the "Affection" or "Relationship" levels you build. Success in mini-games or choosing the right dialogue options unlocks new story chapters and adult-themed scenes. How to Download for Android Comix Harem APK Android Download
Warning: Be disciplined. Gacha mechanics can be addictive. Set a monthly budget if you choose to spend. Since it is browser-based, you don't necessarily need an APK