Death March kara Hajimaru Isekai Kyusoukyoku (WN) - 18-20. Echigoya Firm’s Struggle

The story is about a guy transmigration in scott pilgrim vs the world with a system he also travel to other worlds, anime worlds and movies and animation series and and games world.I know some of you probably don't know about the Scott pilgrim world but don't worry.MC doesn't have a tragic past or anything, he had normal life and had normal problems and then transmigration into the the Scott pilgrim world.The worlds:Scott pilgrim worldkonosuba worldDanny phantom worldblack clover world( very short)gamer manhwa world(very short)Cyberpunk: Edgerunners world(More worlds will be added later, he also doesn't leave a world for another one, he travel between them)Respective series mentioned are credited to their respective owners, I only own MC and ocIt's my first time writing and English is not my first language

The most cherished Little Princess of the Dragon Clan has fallen on hard times, living in an era of scarce provisions. Thankfully, she had a grandmother who doted on her as much as life itself.She drank brown sugar water every day and ate chicken eggs for every meal, making her plump and fair-skinned; she also donned new clothes for every season. All the young women and newlywed brides from miles around were envious of her naturally good fortune.However, the Little Princess had her woes: she was a dragon, and she craved meat, meat, meat!!Watch as she flexed her Dragon's Prestige —With just a glimpse at the trees, wild chickens would stiffly drop to the ground.If she stood next to the river, the fish inside would voluntarily leap onto the shore.Merely standing still, wild rabbits would run into her thigh...And as the Dragon Clan were fiercely protective of their food, she would fight anyone who dared to snatch her eats.Her fierce reputation extended far and wide, causing children in her group to take detours around her.Many people sneered: “With such a greedy, delicate and fierce character, she will definitely remain unmarried!”A certain Great Demon King who followed her said, “Marry me and become my wife. My home has endless supplies of canned beef, beef jerky, Dabai rabbit milk candy, imported chocolates, and various kinds of meat...”

One day, Yoichi who grew up while not knowing his parents has received the news of his father’s death. His father left behind a testament——which said he is to pick only one out of five ‘little sister candidates’?!

I, Lin Yun, with my exceptional aptitude, had thought that I would be trained as a key disciple, however...“The Demon Sect will never expect us to send such an excellent disciple undercover. Once you attain a high position within the Demon Sect, with our help both from within and without, why would we worry about the Demon Sect's destruction?”Three years later.“The Righteous Path will never expect us to send such a promising disciple undercover. Once you attain a high position within the Righteous Path, with our help both from within and without, why would we worry about the Righteous Path's destruction?”Lin Yun: I just want to quietly cultivate to immortality...