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Rating: 5
Tracy seduces and has lesbian sex with Seung-Ah, telling her that while they swapped bodies, she masturbated to find out all of her weak/pleasure points.
Near the end of the chapter, Sejeong (who has swapped bodies with the MC) joins them.
Since it’s still the MC’s body, I’ll tag this as Male Joins.
This continues into the next chapter, but I counted it as a new scene since Seung-Ah went to go join the MC in Sejeong’s body.