Dr. Lucy  (Female Doctor, 25 years old)

- Main Character. A smart and Kind female doctor. 

She's like an onee-san character who likes to help/observe people and explain the medical meaning behind it.

She also acts as an explainer when she encounters "what if scenarios" because of the trouble maker, Saki.

ex1: On the video "Where we will go after death", she explains why people see light upon death

ex2: On the video "What if we stop time", she and saki almost dies. Lucy then explains it's because of the light, audio wave, air around them stops.

Nurse  (Female Doctor, 22 years old)

- Another Main Character. A psychopath and genius nurse. She  can make impossible inventions come to true.

Such as time machine, a button that will give you 1 million USD but kills you in one year, etc...

She often laughs like yandere crazy. She's a big trouble maker and usually the cause of what-if scenarios in this series.

Ex1: On the video, what if we stop time, saki makes a time machine and she was stuck in the time stopped world for 1 billion years.

Note: I wrote 40 temporary but the price depends on the video length