LITTLE NIGHTMARES II Official Website (EN)

Little Nightmares II is a suspense-adventure game in which you play as Mono, a young boy trapped in a world that has been distorted by the humming transmission of a distant tower.   With Six, the girl in a yellow raincoat, as his guide, Mono sets out to discover the dark secrets of The Signal Tower and save Six from her terrible fate.   But their journey will not be straightforward as Mono and Six will face a gallery of new threats from the terrible residents of this world.   Will you dare to face this collection of new, little nightmares?     *Free Upgrade toward Enhanced Edition for PS5 and Xbox Series X|S, and PC Little Nightmares II owners

Six, Little Nightmares Wiki

LITTLE NIGHTMARES II Official Website (EN)

Little Nightmares II for Nintendo Switch - Nintendo Official Site

Little Nightmares II Sold 1 Million Copies In Less Than A Month

LITTLE NIGHTMARES II Official Website (EN)

Inside Xbox Series XS Optimized: Little Nightmares II - Xbox Wire

LITTLE NIGHTMARES II Official Website (EN)

I found the source of Six's terrible fate and fading from this

LITTLE NIGHTMARES - Standard Edition [PC Download]