MTL - North American Detective: I Am Proficient In All Kinds of American IAI - Chapter 12 detective panel

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

For the large sum of money to help her husband, she chose to be a surrogate mother covertly. Her sweetheart was out of trouble, but she became the woman of loose morals in his eyes. Misunderstanding, disappointment and sadness forced her to divorce the man she loved from the childhood.

When she was determined to start new life, another man burst into her life. “You are my baby’s mommy and you are my wife!” A big surprise hit her that her baby’s Daddy, the man she surrogated for, fell in love with her at his first sight.

His deep love convinced her to believe the affection of love again. Unexpectedly, her ex-husband returned to beg her recombination. One was her childhood sweetheart, and the other was the man who loved her and gave her hope for a new life……Facing the two men, what is her choice?
 

- Description from Novelupdates

Transmigrated into the novel you read and became the heir of the Duke, only to be trampled under the protagonist's foot?Passerby villain?Appeared in only one chapter?“Who are you looking down on?”Ian cursed his destiny and vowed to change everything.[Ding!][A new quest has been activated.]'Oh? Do I have a system? Even better.'[Basic Quest 1: Don't let your flower slip through your fingers.]'Nice, I won't let go of her anyway.'...[Basic Destiny Quest 1: Can You Finish What You Have Started?]'Bring it on!'...[Ding!][You are at an important fork in your fate.][Unique Destiny Quest: Fight with all you have.]'Heh? Who are you looking down on?'As Ian completed one quest after another, he also inadvertently began to fall into a vortex of the unknown. He discovered there was more to this world than described in the novel.'Damn it! These suspense and twists, one after another, are killing me!'---Tags: Smut, 18+, Harem, no incest, weak to strong, Romance, Wizard, Magic, Knight, System, Multiple Planes, Elf, Demons, Monsters

One day, Lin Tian, an 18-year-old high school student, accidentally binds with a producer system. As long as he binds with a partner and cultivates them into a super “idol,” he can receive rewards. When he meets the equally eccentric and obsessive cellist Gan Yanyu, they hit it off immediately and start creating short videos, striving to achieve the highest honor in music competitions!Thus,In a season of cherry blossoms, just after winning an international competition, Gan Yanyu plays a piece that Lin Tian has never heard before on the stage in front of thousands of spectators.To Lin Tian's astonishment, the young girl puts down her bow and beams a radiant smile.“You’ve written so many pieces for me; this one is my composition for you.”“It’s called—‘Love Letter.’”