Doonarae's series first work, the adaption of the webnovel <Peach and Musk>! Yoonjoon and Kihyun becomes reunited again as new roommates. The alpha, Kihyun, makes sure that Yoojoon is a beta before living together with him. But one day, a peach fragrance starts to come from Yoojoon?! Yoojoon, who became an 'acquired' Omega, suffers from a heat cycle, and Kihyun promises to help him out...