Fics like Twin Things

When Charlie's clingy twin sister Charlotte finally snaps and crosses the ultimate line with him, she expects a fight with his far-right girlfriend Amelia. Instead, the two girls discover they have more in common than they thought. Based on the British "educational" game Pathways and the author's deranged headcanon. Uncropped versions of embedded drawings (and then some!) can be found on Pixiv: https://www.pixiv.net/users/99322415/illustrations/pathways

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1. Amelia, Charlie, the Queen, and the King (Pathways (Shout Out UK Video Game), American McGee's Alice, more)