MTL - Whispering Verse - Chapter 356 time perception

The story is about a man who’s opposed to the now-common practice of implanting false memories, but is one day given memories of a fictional childhood friend. This fabricated happiness torments him, but then, to his surprise, he meets her – a girl who shouldn’t exist.

It all started when a minute before we began morning activities, something suddenly occurred. The floor started shining a dazzling light, the shining expanded in an instant, and 30 classmates, including me, were laying on top of a place we didn’t recognize.

Shan He wakes up and realizes that he has become a gin in the world of Conan!
Use this identity to tease Conan and deceive the BOSS.
Start his wicked life!

Content Labels: Original Towards Young Man Inspirational Life Rebirth
Search keywords: Protagonist: Shan Heqing (gin) ┃ Supporting roles: Edogawa Conan, Maurilan, Belmod, Vodka, Kudo Yusaku ┃ Others: Conan, bad taste, gin, sweet

- Description from novelbuddy

Ukei Kaito fought a desperate struggle in order to fulfill his role as a summoned hero. He defeated the Demon Lord and saved the very world, only to meet an end filled but with betrayal. The companions that he’d trusted throughout his journey betrayed him and killed him by sticking a blade through his chest.