Synopsis
Based on the erotic game by Marine. On March 22, Saturday's summer holiday Shun was told to go back to his Nee-chan home to do something. Perhaps Shun thought he would be made into a toy By Nee-chan. And by the time Shun comes home, Nee-chan tells Shun because they get an unknown disease that's Idiopathic Estrus Syndrome, that causes his sister to...
1 episodes total
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