I quit my job, became a voice actor, and drastically changed my looks — all to catch the attention of dreamy Jaehyun from work. But he doesn’t know I’m me! What he does know is that I dub his favorite animation, and adores the way I sound. But now he’s my next door neighbor too?! A perfect chance for neighborly love! 3x724o

Original Webtoon:
Bomtoon, Lezhin

Official Translations:
R19:
English: INKR, Lezhin, Pocket Comics
French: Bontoon, Delitoon
R15: Japanese, Thai, French, S.Chinese (*)
English: Tappytoon, INKR, Pocket Comics, Tapas, Lalatoon, Comikey, Lezhin

Notes:
Though originally on Tappytoon without the R19 version and INKR having the R19 version, INKR is still using the Tappytoon translation. All other english platforms have the R15 Tappytoon translation.
(*): KuaiKan Manhua combined both His Enemy Downstairs together on their site.