Lunar Light.

SPOILERS FOR THE SUN AND MOON STORY! GO PLAY SUN AND MOON THEN RETURN! YOU HAVE BEEN WARNED!

When a mysterious girl named Selene appears at Elio's feet with no memories of who she is other than her name, things got weird.

However she also had a strange Pokemon called Nihilego in an odd Pokeball Elio didn't recognize. They decide to look for someone or some place that Selene might remember, along the way they are attacked by Team Skull. A powerful and evil team that sends chills down the spines of whoever hears the name.

The team rule the region of Alola, those who don't conform to their rules and run in fear are sure to be killed by the massive gang.

There's no escape from this terror, you can only run for so long.

Thanks to @jessgrono for the amazing cover.