"You are the invincible born special hero of epic destiny and nothing can really threaten you and you effortlessly win at everything forever also here's a predestined waifu that you are now the errand boy for because she is predestined to go nyaaah if you do her chores for her. Also, the game is supposedly about a world of alchemy but alchemy really isn't part of the plot or gameplay." 
I found a YouTube link in your post. Here are links to the same video on alternative frontends that protect your privacy: