As the leader of Apple's new girl idol group [HeartBeat], Mie Sakura has an unknown secret - she can see a random door, which will appear randomly and take her through when she is caught off guard. Mie Sakura has traveled through time and space countless times since she was a child, so she is used to it. But something seems different this time.
Time travel and reality interspersed
The reality is a comprehensive "magic-free" world of entertainment, sports and comics, and after time travel, there are various surreal worlds
All in all
Don't delve too deeply into your writing skills orz
Any similarity is purely coincidental
Intention: run towards the future