( I got this from watching Coleydoessthing. And this is just for fun because I just pick characters that fit the scenes.)

Nerd x Badboy/bad girl

Bakugo:*walks in* Hey nerd!
Deku:*jumps* Oh uh...
Bakugo: I'm going to carry These books for you!
Deku: Um... okay?
Bakugo: Then I'm going to complement your smile because it makes my heart melt! And I'm going to ask you out to say yes!
Deku: Um okay?*walks away
Bakugo: Hey nerd! I'm going to take you on a date and pick you up bye 8 got it!
Deku: Um ..got it
Bakugo: Good get a biker helmet.

Idiot x " that's my idiot"
Random: Hey some dude is going to jump off the bungee swing backwards
Jiro: What a idiot
Denki: I'm going to jump off the bungee swing backwards!
Jiro: Oh no that's my idiot! Denki no!

Slick x obvious
Kirishima: Hey are you from Tennessee because -
Mina: No I'm fine
Kirishima: Because.... oh. I don't know how to respond from that. Do you believe in love on first sight or should I walk
Mina: There's no such thing as love at first sight. It waits time
Kirishima: Are you a light because-
Mina: Oh right science facts you see*rambles about Science*
Kirishima: Hey do you want to go out with me?
Mina: Um
Kirishima: Oh for f*ck sakes!
Mina: Goodness watch where you're throwing that thing.

Chill af x flustered mess

Tsu: Oh hey Uraraka you look cute today.
Uraraka:*flustered mess*
Tsu: Your eyes are so sparkly
Uraraka:*flustered*
Tsu: Did you do something different to your hair? Because it looks nice
Uraraka:*keyboard smash words*
Tsu: Maybe we can have some lunch and-
Uraraka: Wait!... your skin looks extra soft today...
Tsu: Oh thank you!
Uraraka:*flustered even more while floating*
Akari: Is she going to be okay?
Tsu: Yeah she's fine.

Rich x Poor ( their acting in this for a play so yeah)
Sero:*ranting about the rich*
Iida:*pin him* You sure talk alot for someone who talks poor.
Sero: You don't respect me!(also say your part*
Iida:*sigh*

Darkness x Sunshine ( Platonic)
Tokyokmai: *talk everything about darkness*
Deku:*talk about the bright side*
Tokyokmai: I hate everything
Deku:...oh
Tokyokmai: Almost everything
Deku:*smile*

Cinnamon roll x must protect ( platonic)
Teacher: Okay class dismiss everyone...
Mina: Okay teach oh I'm going to go to the bathroom real quick*leaves*
Teacher: Okay...
Kai: Hey...you do something to her* make a neck cut motion with her hand* got it.
Teacher: Got it
Mina: Hey I'm back what did I miss?
Kai: Nothing Mimi
Teacher:*terrified* Crystals...

Hot dame x dork
Momo: This place get dryer and dryer every time I come here. Why do I even bother?
Kai: *tried to lick his elbow* I think I almost got it!
Denki: Go Kai
Momo:....Why can't I just f**k him already.

Full of themselves x so done
Momona:*full of himself*
Kendo:*so done with him*

Rival x Rival
Bakugo: Yeah party Rock in the house tonight!
Todoroki: Um it's party Rock anthem
Both:*kiss each other*

Tsundere x Tusndere

Jiro and Akari:*being Tusnderes, but truly care about each other*

Angry smol x happy tall
Bakugo:*angry*
Kai:*happy tall*

2 idiots and 1 braincell ( platonic)
Denki and Sero:*talks about who knows what they say*

Chaos incarnate x indifferent
Dabi:* chaos incarnate*
Hawks:* indifferent*

Free spirit x control freak
Ninjire:*free spirit*
Tamaki:*control freak*

Young married couple
Akari and Kai:*talking nice to each other and give compliments*

Old marriage couple
Aizawa and President Mic

Child at heart x caretaker
Denki:*being a child at heart doing childish things*
Shinsho:*being a caretaker making sure he doesn't get hurt*

And done whoa that's a lot.