>>23349856
>mc personality
Gentarou but rougher
>secondary/rival personality
Happy idiot
>overall tone
Eldritch/lucid dreaming/darkness lurking in the background
>opening theme
Rider Chips or KRG, I love E-X-A.

https://www.youtube.com/watch?v=oZFOXNzJH2A
>villain/evil organisation
A group with as much charisma as Evolt for each member
>gimmick
Something fun and collectible. If there's a dream theme, maybe "sleeping pills" sort of like Fullbottles kinda like pic related?