or some of them

Techno simps:
Me and Light (obviously)
Tamaki
Isaiah
L (exposed by Misa) ( I just find your small crush on Techno ironic as hell-)
Karma

Yui simps:
Ash
Jo
Me
Monika

Amai simps:
...me
Naomi
Ash
Miranda

Ryu simps:
………me
Ash
Yuno
Satou
Tamaki
Jade
Misa (exposed by L)
Malcolm

People who have a crush on Mida:
…y'all caught me in 4k haha...

People who have a crush on Kagami:
Iris
Miranda
Misa (exposed by L)
Osoro
...me
Ash
Karma
Oka
Mukuro

Izzy Simps:
It's lovers
Lydia (Exposed by Misa)
Anne (Exposed by Taro)
Miranda
Karma

Forgot to mention:

Ray (exposed by Mukuro)

And now Wes too. - Ash

Avery simps:
Me and Karma
Wes (exposed by himself)
Monika
Yukiteru
Emilia
isaiah
Malc
Tyler

Ichiro simps:
Me

Ayato simps:
Taro (exposed by Misa) (sir back off, they're mine /hsrs)
Osoro
Their lovers
Wyatt
Mukuro (exposed by Ray)
Junko
Toko
Jade
Iris

Just found out Wes also simps for Ayato. - Ash

Neko:
Ash
Iris
Me
Wes
Jade