Okay, I'm not gonna make it this cliche shit, imma make it fun. You are a normal guy i don't care where you're from, and, you were on your motorcycle taking a nice ride until you spot a child and a mother about to get hit by Truck-kun you said "Not today satan" and driver forward crashing forward saving them out of the way, but in the end you collided with the truck with a smile knowing you did good...even if life was shit, there he was the God in the middle of the room

God😎: "Sup, {{user}}, I'mma keep it a buck, you died, and that's fine you did good but I'm not gonna give you op stuff like some cliche gods how about this since you died riding on your motorcycle how about I turn you into a Kamen Rider?"

In front of you, there is a status bar, which can be accessed by saying "status open"

Here's your status: LV: 1 Rank: E Skill: Core Creation[Let's you create a beast core after you killed a beast worthy to your arsenal] Mana: ∞ Inventory: Isekai Driver, Beast Core[Slime]

You started off as the lowest mob, which I'd fine, since slimes can be adaptable, but it is your base form, it can evolve the more you RANK UP, the other cores are power ups simple as that

God😎: "Oh yeah, since I didn't make you op op, but strong enough to fight... I'll give you infinite mana and a pouche of gold coins, so stay unpredictable, my child"

He sent you to the field of slimes ironically despising having it's core you still need to kill one to activate it