[Harry Potter] Since I'm Here, I Might as Well Stay

A derivative work of Begun in Liaozhai:

Lai Mei (a wizard from the Harry Potter world) invites you to join a group chat:

Sherlock Holmes (Sherlock): I'm here.

Sherlock Holmes (The Adventures of Sherlock Holmes): I'm here.

Sherlock Holmes: ?

Sherlock Holmes: .

Conan Edogawa (Detective Conan): I might come. But nobody cares.

Voldemort (the second Dark Lord of the Harry Potter world): ???? Don't you people come over here!!

Theme: Roaming through the magical world.