Use guest payment for paypal, I hate PayPal too they sell and share your data, as long as you don't create an account with them you should be good
Well, your other option are to either head to my subscribe star page (https://subscribestar.adult/thenaughtycaptain) to get the latest version, or wait for the release on Steam (https://store.steampowered.com/app/2994790/Summer_Scent/).
I'm really sorry for the inconvenience.