First Time Reacting to "That Time I Got Reincarnated as a Slime Openings (1-4)" | Non Anime Fan!

WHAT IS THIS ANIME??!!! SLIME??

My First Time Reaction to That Time I Got Reincarnated as a Slime and I have no idea what this anime is about! This anime is one of the most requested animes for me to react to and when I heard the name That Time I Got Reincarnated as a Slime I assumed it was about a slime ball... now after the anime openings I have no idea! Here is my first time reaction to That Time I Got Reincarnated as a Slime Anime Openings

Tensei shitara Slime Datta Ke - Opening[1]: https://youtu.be/GhGTc6p8sg0
That Time I Got Reincarnated as a Slime Season 2 - Opening 2 | Like Flames: https://youtu.be/jEDQmD7nhyQ
Tensei shitara Slime Datta Ken 2nd Season Part 2 OP / Opening v2「UHD 60FPS」: https://youtu.be/xafs1XiNbuk
That Time I Got Reincarnated as a Slime - Opening 2 | 4K | 60FPS | Creditless |: https://youtu.be/86Ii9mU3ku4