I had other things to say but then I saw... CASH SHOP ITEMS FOR A SINGLE-PLAYER DATING SIM... is it too late to bring back burning people at the stake?
Also, protag is the biggest tool in the world. Not only is he playing his sister's otome games, somehow she coerced him into doing so, taunts him about it, convinced their mom the games are his and now he's even paying rl $ in them.
Funky how he lost his past life memory and then promptly regained it.