Gin no Juujika to Draculea - Volume 04, Chapter 3 - Doppelganger

Gou Liang travels through worlds in order to complete a mysterious and arduous mission…

16 worlds in total:

School Campus: Strawberry Flavored Scholar Gong √
Entertainment circle: Lemon Flavored Film Emperor Gong √
Ancient Time: Honey Tangerine Flavored Shadow Guard Gong √
WuXia: Melon Flavored Senior Brother √
Beastmen: Pineapple flavored Beastmen Gong √
Ghost Spirits: Snow Pear Flavored Dead Gong √
Ancient Time: Gr*pe Flavored Regent Gong √
Apocalypse: Banana Flavored Boss Gong √
Interstellar: Pomegranate Flavored Sentinel Gong √
Modern: Citrus Flavored Aristocrat Gong √
Mecha: Sweet Jujube flavored Lunar New Year Gong √
Ancient Time: Durian Flavored Battle God Gong √
Magic: Watermelon Flavored Blacken Gong √
Cultivation: Cherry Flavored Disciple Gong √
Fantasy: Blueberry Flavored Demon King Gong √
Celestial World: Bayberry flavored Senior Immortal Gong √

- Description from Novelupdates

Upon awakening in a parallel world, Lin Yi discovered that not only were Xiao Zhuang and Xiao Ying present, but also veterans like Old Pao, Tou Lao Gao, Qiangzi…He had unlocked an Entry Upgrade System.【Shooting Novice (White) → Hundred Paces Piercing Yang (Gold)】【Superior Memory (Blue) → Photographic Recall (Gold)】【Master of Struggles (Blue) → Supreme Titan of Competition (Gold)】【Martial Arts Grandmaster (Purple) → Mortal Warlord (Red)】【……】As time passed, Lin Yi steadily advanced towards the peak, growing ever stronger.Yet, as he ascended, unexpected figures began to emerge before him—He Chenguang, Xu Sanduo, Lei Zhan, Yan Poyue, An Ran, Long Xiaoyun, Shen Ge…Only then did Lin Yi realise that this was not merely the world of Special One, but a vast amalgamation of multiple special forces universes.

He had been reincarnated, he thought that he didn't cheat until suddenly he noticed someone invite him on a group chat.[Do you wish to join Dimensional Chat Group?]MC: "Accept!"---------------------------------------------Cover not mine, it's from anime Yosuga no Sora---------------------------------------------https://www.patreon.com/akikan40Maybe I'll be full of energy to write your favorite fanfic.