Manga World: Bringing Steam Technology to the World of Sanctuary - Chapter 39: A walk through Akihabara

A high-ranking officer in the Marines and a master of both Western and Chinese medicine, Feng Yu Heng is transmigrated with a duang sound to the Da Shun Dynasty.

He lived from BC to the Middle Ages, from the Renaissance to the Industrial Revolution, and from Cyberpunk to the Interstellar Age. He has been a king and a prophet, a knight and a nobleman, a versatile artist, a genius inventor…
This is a four-thousand-year human epic——
“To us four thousand years from now:
“Is the world at peace? Is famine extinct? Can people touch the stars? How long is the human lifespan? How far is the boundary of the earth? Human…do you remember us?”
——Excavated from Earth Age Tenth Century BC, Solomon Prayer Book.

- Description from novelbuddy

Zephany Draven is a shy, clumsy celebrity journalist who is constantly ridiculed for not getting the big scoops. She is soft-spoken and easily intimidated, so she looks weak. However, behind closed doors, she's Eclipse, an altogether tougher, loud-mouthed agent and quite ruthless and efficient.Kendrick Montclair is a gentle, positive artist who loves his family and remains optimistic despite his struggles. His gentle nature makes him easy to take advantage of. But secretly, he's Obscura, a cold, ruthless agent who is efficient and silent.Both work as partners in a secret organization that preserves hidden truths erased by governments, yet they remain completely unaware of each other's true identities.Their goal is to reach the highest level of clearance to access classified information. But just when they're on the verge of success, they fail.Then, a mysterious man appears with an offer—a contract marriage in exchange for the information they desperately seek. Trapped with no alternative, they sign the deal.But neither expected what would happen next.-------------Kendrick and Zephany sat by the glass wall, waiting for their food when a car suddenly crashed through. Kendrick pulled Zephany to safety just in time, but both got small cuts from the broken glass.“Are you okay?” they asked, checking each other.To their astonishment, the cuts healed before their eyes.Their minds raced. “Beside me, the only person I know who has that ability is.”“No! She can't be that loud, short-tempered woman!”“No! He can't be that silent, obnoxious man!”“Did I marry my secret partner in crime?” They both shuddered at the thought.

“He is the entertainment king who is in charge of everything. Been single for years, he had zero scandal. One day, a woman and a girl turned his life upside down.