Manga by author Sin

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In high school, Choi Sungjae confessed to his best friend Geonhu, but was firmly rejected. Despite staying friends and going to college, Sungjae is still ardently in love with Geonhu and makes a wish on a shooting star for just one chance to sleep with him. The next day he wakes up in the body of Lee Chungmin, a fellow classmate and...Geonhu's lover?! Chungmin is now in Sungjae's body and makes the wild suggestion that they have a threesome. Is Sungjae's wish coming true this easily?!