The male protagonists in each world are different. Some are he and some are be. It can be viewed as a unit drama.
1: Campus violence
(slightly bloody)
Two: Female CEO
(a little bit of sand sculpture)
Three: Official lady
(Multiple be)
The heroine has some mental problems and is quite gloomy.
... I haven't thought about it yet, the order may be different.
Intention: How you want to live, and the right to decide how to live is up to you