I have no knowledge of how X Y & Z ends, I only know what happens when Sun Moon starts.

- Serena does not follow Satoshi
- Satoshi is very distraught however, talks about Serena to Lilie
- Satoshi meets Lilie on the ship
- Lilie is a student of Dr. Platane going to Alola to assist Dr. Kukui in his research
- Satoshi and Lilie arrive in Pinapperu City
- Dr. Kukui takes them to Papaye Town
- Hala taks Satoshi into Kapu Kokeko
- Pikachu is injured in battle
- Satoshi meets Mao and her brother Oleando
- Oleando watched Satoshi in the Pokemon League
- Oleando has final evolved form of Nyabby, belongs to their father
- Mao uses flowers and herbs to heal Pikachu
- Satoshi meets Hau
- Hau takes Nyabby from Dr. Kukui
- Satoshi gets Mokuroh, Lilie gets Ashimari
- Satoshi battles Hau and loses
- Pikachu recovers thanks to Mao
- Satoshi travels with Lilie, Mao, and Oleando
- Satoshi catches Tsutsukera
- Lilie catches Mimikkyu
- Mao has Amakaji and Rarantesu

Thats all I know