X: Endline, New Beginning, New World (2021)
| First Air Date: | 2021, December 19 |
| Last Air Date: | 2021, December 19 |
| Status: | Ended |
| Seasons: | 1 |
| Episodes: | 1 |
| Countries: | South Korea |
Overview:
Inssa Oppa Special Episode - X: Endline, New Beginning is a mystery survival web entertainment full of tension that engages in a fierce brain battle. Minhyuk and Hyungwon collaborate with ASTRO Jinjin, Moonbin, Rocky, and Sanha to provide a different kind of fun.