Birthday Party for One

 a limited-time questline released on August 12, 2020. It the main questline of Act 1 of the The Van Houtens 2020 Event, progressing through it  all of the Act's personal prizes. It preceded by a short intro quest Claim to Fame. It's succeeded by the quest Sidekicked Aside.

End
No dialogue

Unlocks Go-Go Ray.

End
Unlocks Milhouse Balloon Archway.

End
Unlocks Milhouse Bounce House.

End
Gives a The Van Houtens Mystery Box Token.

End
No dialogue

Unlocks Annika.