Currently within the class, Principal Oak was telling everyone about the 20th anniversary of the Pokemon School. He personally invited Niku and so he agreed.
Principal Oak: Now, it's been decided to celebrate the 20th anniversary of the Pokemon School, a special extracurricular lesson is going to be helDangoro, Gantle, Gigalith!
Ash: "Special"?!
Niku: 20 years. That's an impressive record.
Mallow: Does that mean we get to go somewhere really amazing?
Kukui: We'll be going to the Kanto Region!
Everyone other than Niku and Ash: Wow!
Ash: Aw, it's just Kanto...?
Niku: ...-_-... I was there not too long ago.
Kiawe: Ash, you come from Kanto, don't you?
Ash: Yeah...
Sophocles: The famous Professor Oak has a lab there too, right?
Principal Oak: He does indeed. And I want to have you visit my cousin Professor Oak's lab and get a real eyeful of Kantonian Pokemon.
Kukui: That's not all, either. Also, we have some special guests help you tackle something that can't be done here.
Niku: "Special guests"?
Mallow: Something that can't be done in Alola?
Kukui: You'll have to wait and see.
Ash: Ooh!
Kiawe and Sophocles: Sounds fun!
Girls: Indeed!
Timeskip
After being told they would be traveling to Kanto for extracurricular lessons, everyone got into a plane and flew over. After a few hours flight, they finally arrived, walking into the terminal.
Ash: We're here!
Mallow: I hope we get to see a Vileplume!
Lana: And a Seadra too.
As Lillie and Niku were walking out, Lillie noticed Snowball not looking so well.
Lillie: Oh?
Cloud: Something wrong, Lillie?
Lillie: Snowball doesn't look to well... Oh dear...
Niku: We should take it to a Pokemom Center.
???: Oh? Would you mind if I take a little look at that Vulpix? I'm a Pokemon Doctor intern, you see.
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Niku and Lillie looked over and saw a man with tan skin and medical bag.
Niku: Oh really?
Lillie: It suddenly became like this after we disembarked the plane.
