Ace of Diamond - A Room Where You Can’t Leave Unless You Have Sex (Doujinshi)

Pairing: Miyuki x Sawamura Miyuki is suddenly transported into someplace else upon entering his room. He finds a note that says "a room where you won't be able to get out unless you have sex with someone you like"... and the first person he thought of was Sawamura. Original work on Pixiv: [1](https://www.pixiv.net/en/artworks/86671051), [2](https://www.pixiv.net/en/artworks/86671548), [3](https://www.pixiv.net/en/artworks/88159901)