Mobius is less about romance and more on the mystery and sci-fi, but they both go in time loop. In “Oops! Almost broke up”, the main leads get stuck in one specific day and repeats not knowing when the day would move on, whereas “Mobius” gets stuck on different days, but each day repeats only 5 times.
Both dramas features a game like mission that they have to go through as well as time traveling. They would go in a loop if the mission fails.
Both dramas fall under the time traveling genre, where they change the past and fate of the main leads
"A Time Called You" is the remake of the original "Someday or One Day" Taiwanese drama. You must watch it if you enjoyed this remake.
Both “She and Her Perfect Husband” and “Because This Is My First Life” plot’s purpose is on contract marraige
Both dramas stars multiple female leads. In “Brilliant Girls”, 5 women with distinct personalities became each other’s pillar of support while they’re experiencing various challenges in life.
In both show, BTS is creating and drawing. It shows their drawing skills:) In MapleStory x BTS, BTS is drawing/creating the hats and weapons for the characters you play in MapleStory. In Making of BT21, BTS is drawing/creating their BT21 characters.

