Hey there. Just finished the current version, and it has a lot of potential. Keep it up! Also, the default choice for Sophia and Maria being clones, is that an intentional choice, or a mistranslation for twins?
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It's most likely intentional to avoid any potential red flagging this game might get on Itch or other sites for incest. If being related is implied but the 'lore' explicitly contests it, then it's fine, but open incest games on a lot of sites often get taken down. Patreon in particular hit a bunch of devs because of that.