I'll be direct, the monetization in this game is so abusive that you can't see any sex scenes. That being said, all you are going to do is waste your valuable time. I have read the explanation of the dev trying to justify this kind monetization, but ey! excuse me! you're using just sterile arguments, since many of us know how other devs with more or less success and talent do to compensate their patrons.
The art is the strong point, it would be a 9 or a 10. The game has certain bugs at the beginning that make the conversation with any NPC to rollback. Monetization is a joke. What's the use of trying your game if we can't see a single sex scene?
In summary: You are going to waste your valuable time, you are not going to see sex scenes because you have to pay with real money for it (pay walled). If the game comes out on Steam or other platforms I would recommend that you do not support this kind of devs, since there are others with greater talent and who do not take the rest of the users for idiots or walking wallets.