Honkai Impact 3rd - Part 1.5 Chapter 37: Of Salt, Snow, and Sand

The Honkaipedia

Honkai Impact 3rd - Part 1.5 Chapter 38: Lone Tower, Fallen Star

The Honkaipedia

Part 1.5 Concept Trailer: Hailing from Nagazora and Falling into Abyss! REACTION!!!

Silverreploid CLE

Honkai Impact 3rd - Part 1.5 Chapter 42: Earthbound Order

The Honkaipedia

Honkai Impact 3 Gameplay 31 (Main Quest Part 1.5 Chapter 37 to 38)

BcsX

Honkai Impact 3 Gameplay 32 (Main Quest Part 1.5 Chapter 38 to 39-Dance of Life and Death Finale)

BcsX

Honkai Impact 3rd - Part 1.5 Chapter 39: Daughters of the Sea

The Honkaipedia

Honkai Impact 3 Gameplay 30 (Main Quest Part 1.5 Chapter 36 to 37)

BcsX