Undefined Xx summary: You are reading Undefined XX manga, one of the most popular manga covering in Adult, Drama, Romance, Smut, Yaoi, Webtoons genres, written by Lungda, Aesong at MangaBuddy, a top manga site to offering for free. Undefined XX has 3 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add Undefined XX to your bookmark. [A man who is mistaken for the lover's live-in boyfriend is the new team leader?!] Jiwon and Jihyeok first crossed paths at a hotel after an awkward incident. While considering each other as 'the person they want to avoid the most' and 'the most interesting person,' they meet by chance at the company. And that too as a direct supervisor and a subordinate! A cute story of love that ends in a tumultuous battle of dislikes!+