I honestly could not think of a scenario to do for the first part of your dare so I just did the last part (Sorry I hope this is alright)

Remus: Jan you got a dare from Bubbly_Fander

Janus: What is it?

Remus: It says I'm pretty sure Moceit is the only ones who have not actually made out in this so y'all have to make out Ok byyeeeee I am so sorry 😅

Janus: *blushing* Wait what!?

Remus: *cackling* At this rate Jan you're gonna make it to third base in no time!

Janus: *blushing* Shut up Remus!

Remus: *cackles* Well Jan what are you waiting for? Go! 

Janus: *blushing* But what if-

Remus: Make like Shia LaBeouf and JUST DO IT!!!

Janus: ...

Remus: MO👏🏼CEIT👏🏼 RIGHTS!👏🏼

Janus: *sighs* Fine

Janus: *sinks down to where Patton is*

Patton:  Hey Jan!

Janus: Hey Patton um...

Janus: *blushing* Patton do you know what making out is?

Patton: Making out of what?

Janus: *blushing* No like kissing making out

Patton: *blushing* Oh y-yeah 

Paton: *blushing* I-I've n-never done it b-before t-though

Janus: Oh

Patton: *blushing* Y-Yeah

Janus: *blushing* D-Do you want to?

Patton: *blushing* O-Okay

Janus: *blushing* A-Alright

Janus: *wraps his arms around Patton's waist*

Patton: *wraps his arms around Janus' neck*

Janus: Just follow my lead okay

Patton: *nods his head*

Janus: *slowly leans in and kisses Patton on the lips*

Patton: *kisses Janus back*

Janus: *slowly starts making out with Patton*

Patton: *following Janus' lead*

Both: *make out*

Patton: *lightly moans*

Janus: *pulls away*

Patton and Janus: *blushing and at the same time* Sorry

Janus: *leans in shaking his head and catching his breath* It's fine it's fine

Janus: *immediately goes back to making out with Patton*

Patton: *makes out with Janus*

Both: *pull away catching their breaths*

Janus: *panting and blushing* W-Was that good?

Patton: *blushing and nodding his head* Mhmm

Janus: *clears his throat, blushing* Alright

Janus: I shouldn't get going

Patton: *blushing* O-Okay b-bye Jan

Janus: *blushing* Bye Patton

Janus: *sinks back down*

Remus: *smirking* So how'd it go?

Janus: *buries his face in his hands and groans* I think I made it awkward

Remus: Did he like it?

Janus: Wha-

Remus: Did. He. Like. It

Janus: *blushing* No but-

Remus: *slaps Janus on the human side of his face*

Janus: Ow!

Remus: Now listen here you snakey son of a bitch! You didn't ruin SHIT!  And if he liked it, he liked it, got it!

Janus: *slightly scared* Okay got it

Remus: *as if nothing happened* Good!