You had gotten an expert to help you guys out.

Medaka: So, you want me to help turn this hopeless monster good?

Twilight: Please Medaka?

(Y/N): Yeah, I have completely faith in you!

Medaka: As President of the Student Council of Beacon, I happily accept this request!

Star: This is a lost cause.

Sunset: Star, you shush!

Star: I'm just saying.

Soon...

Medaka: Alright, Lobster Claws, are you ready for your first lesson?

He put an apple on his desk.

Medaka: That's more like it. Okay, you see someone drop their wallet.

(Y/N): Star.

Star: I'm not doing this.

(Y/N): Yes you are!

Star: UGH! Fine.

She dropped her wallet.

Medaka: What do you do?

Lobster Claws: Excuse me, Ms., but I believe you dropped this.

Star: That doesn't look familiar to me.

Lobster Claws: Huh? I just saw you drop it.

Star: That's not mine.

Lobster Claws: Yes it is. I'm trying to be a good monster and return it to you.

Star: Return what to who?

He facepalmed himself.

Lobster Claws: Aren't you Star Butterfly?

He pulled out her ID.

Star: Yes.

Lobster Claws: And this is your ID.

Star: yep.

Lobster Claws: I found your ID right inside of this wallet. And by logical deduction, that means this is your wallet.

Star: That makes sense to me.

Lobster Claws: So take it.

Star: (smirk) Not my wallet.

Lobster Claws: AAAAAAAAAAAAAAAAAAAARGH! WHY YOU! I'LL RIP YOUR ARMS O-

Medaka hit him with a fan.

Medaka: NO! We do not rip people's arms off.

Lobster Claws: This is harder than I thought.

(Y/N): No Star is just being prejudiced.

Twilight: What is your problem Star?

Star: He won't change! He's a monster! They're evil!

Sunset: No they're not! Star, not everything is what it seems to be!

Medaka: Alright, there's no need for arguments here. Lobster Claws, let's move on to lesson 2!

Later...

Star was lifting a heavy package.

Medaka: You see this woman struggling her with heavy package. Now what do you do?

Lobster Claws: OH! I GOT THIS! Ahem! Hello there friend, I see you're having trouble with that package. Would you like some-

Star purposefully dropped it onto his foot!

Lobster Claws: OW!

Star: Whoops. I dropped it.

She said it while rolling her eyes.

(Y/N): STAR! NOT COOL!

Star picked it up.

Lobster Claws: I would like to- OW!

She dropped it again.

Star: Whoops.

And then this happened again, and again, and again, and-

Lobster Claws: AAAAAAAAAAAAAARGH! YOU BUTTERFINGERED LITTLE- What's in that box?

Star: My wallets.

Lobster Claws: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAARGH!

He grabbed her by the hair and slammed her everywhere!

Star: HEY! STOP HIM!

Medaka hit him again!

Lobster Claws: OW! Aw ...

Much later...

Star had a cast around her arm.

Medaka: Alright, let's try something else. How about-

Star: Wait, I got it. I'm thinking of a number between 1 and 100, what is it?

Lobster Claws: Uh ... 62?

Star: WRONG!

She blasted him again and again.

(Y/N): STAR! STOP THAT! LEAVE HIM ALONE!

Much later...

Now he was in a cast.

(Y/N): Alright, I have a better idea. Sorry about this Twilight.

Twilight: What do you-

You let a ladybug out of a jar and it went to her nose.

Twilight: (shivering in fear)

Ladybug:

https://youtu.be/dlLQIuf48AA

Twilight: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGH!

Lobster Claws: OH! Don't worry! I'll handle this!

He put the ladybug back inside the jar.

Lobster Claws: I DID IT!

Medaka: How did that feel?

Lobster Claws: That actually felt ... good.

He had a big smile on his face.

(Y/N): There? See?

Star: Okay, I admit, there's some good in there.

Medaka: Star, even in people who might seem despicable due to their appearance, there is truly some good. I assume he had a rough childhood, something happened in his past that made him bitter, and led him down the wrong path. But there are people who deserve another chance!

(Y/N): God, I love you so much, my bestie!

Medaka hugged you tightly.

Medaka: Same to you, my dearest friend!

She kissed you on the cheek.

(Y/N): Now go Lobster Claws! Go out there, and walk your new path!

You opened up a portal to Mewni with the dimensional scissors!

Lobster Claws: YEAH! I CAN DO THIS! LOOK OUT MEWNI! THERE'S A NEW LOBSTER CLAWS IN TOWN! THANK YOU, FRIENDS!

He hugged you all tightly!

Everyone: AGH!