Sunken Fossil World/Yuuma Toutetsu

Chapter 1 「Those Who Deliberately Upset the Balance」
Versus Marisa Kirisame

Chapter 2 「Solitary and Horrendous Job」
Versus Yamame Kurodani

Chapter 3 「We're Alike, You Fiend」
Versus Yuugi Hoshiguma

Chapter 4 「The Earth Is a Big Water Heater」
Versus Kanako Yasaka

Chapter 5 「A Common Skirmish in the Animal Realm」
Versus Utsuho Reiuji

Chapter 6 「Red Memories Before Rebirth」
Versus Reimu Hakurei

Chapter 7 「Puppet Vampire」
Versus Flandre Scarlet

Chapter 8 「Okay, Let's Make It Secret Once Again」
Versus Okina Matara