Genshin Impact | Tapirus Somniator Chapter: Act 1 (Story Quest Of Mizuki) Guide

Anemo
Anemo Traveler	Chasca
Jean	Kaedehara Kazuha
Mizuki	Varka
Venti	Wanderer
Xianyun	Xiao
Hydro
Childe	Columbina
Kamisato Ayato	Mona
Mualani	Neuvillette
Nilou	Sangonomiya Kokomi
Sigewinne	Yelan
Geo
Albedo	Arataki Itto
Chiori	Geo Traveler
Linnea	Navia
Xilonen	Zhongli
Zibai
Electro
Clorinde	Cyno
Electro Traveler	Flins
Ineffa	Keqing
Raiden Shogun	Varesa
Yae Miko
Dendro
Alhaitham	Baizhu
Dendro Traveler	Emilie
Kinich	Lauma
Nahida	Nefer
Tighnari
Pyro
Arlecchino	Dehya
Diluc	Durin
Hu Tao	Klee
Lyney	Mavuika
Nicole	Pyro Traveler
Yoimiya
Cryo
Aloy	Citlali
Escoffier	Eula
Ganyu	Kamisato Ayaka
Lohen	Qiqi
Sandrone	Shenhe
Skirk	Wriothesley

Anemo
Ifa	Jahoda
Lan Yan	Lynette
Prune	Sayu
Shikanoin Heizou	Sucrose
Hydro
Aino	Barbara
Candace	Dahlia
Xingqiu
Geo
Gorou	Illuga
Kachina	Ningguang
Noelle	Yun Jin
Electro
Beidou	Dori
Fischl	Iansan
Kujou Sara	Kuki Shinobu
Lisa	Kuki Shinobu
Lisa	Ororon
Razor	Sethos
Dendro
Collei	Kaveh
Kirara	Yaoyao
Pyro
Amber	Bennett
Chevreuse	Gaming
Thoma	Xiangling
Xinyan	Yanfei
Cryo
Charlotte	Chongyun
Diona	Freminet
Kaeya	Layla
Mika	Rosaria

Last Updated: August 2, 2026 1:54 PM

Tapirus Somniator Chapter: Act 1 is Mizuki's Story Quest for Genshin Impact. Guide includes how to unlock, walkthrough chart & guides, tips, rewards, and more!

Table of Contents

How To Unlock
Walkthrough Chart
Rewards
Release Date

Story Quests List

Mizuki Story Quest - How To Unlock?

Requirements	No need for Story Keys
How to Unlock	- Adventure Rank 40 or above. - Complete the Imperatix Umbrosa Chapter: Act II and Omnipresence Over Mortals

No Need For Story Keys

The developers stated during the 5.4 Livestream that Story Keys will no longer be needed to unlock character story quests in the game. Just make sure that the players have meet the pre- requisite quests in order to start the story quests.

Mizuki Story Quest - Walkthrough Guide

Encounter In The Realm Of Dreams

Walkthrough Guide

Go to Byakko Plain
Follow the Youkai and approach Mizuki

Crisis At The Aisa Bathouse

Walkthrough Guide

Go to the Aisa Bathhouse
Follow Mizuki & her instructions
└ Search for the Youkais in the painting
Go to the other room of the bathhouse
Go to the shore in the south of Byakko Plain and talk to Kanai
Talk to Susukida
Talk to Kanai
Go back to the bathhouse
Go to the shore once again (where you first met Mizuki)

A Deceit Called Happiness

Walkthrough Guide

Adjust the in-game time from 8:00 - 12:00
Go back to the bathhouse
Go to Emura Ichigensai's place
Go to the Grand Narukami Shrine

Descendant Of Nightmares

Walkthrough Guide

Go to the east island (beside Inazuma City)
Enter the Domain
└ Trial character: Mizuki
└ Use Mizuki's skill to fly across the other places inside the domain.
└ Defeat all the enemies inside the domain
Once you go deeper the domain, you will encounter Emura Chuuya's emotional fragments
└ Interact with Emura Chuuya's four (4) emotional fragments
Continue to explore the domain
└ Note: Everytime the Eye opens, make sure that you are out if its sight so your HP will not decrease.
└ Defeat the enemies along the way
Proceed to the final battle and defeat Kuroyume
(Wait until dawn (6:00)