Toaru Majutsu no Index: New Testament - Volume 15, Chapter 4: Despair, or an Objective Revealed — Artificial_Disaster.

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!

- Description from Novelupdates

Introduction: [Fanxing New Book] Zhao Yan accidentally joined the life exchange club. Here you can exchange your life with the rich; you can exchange your life with a woman; you can even exchange your life with animals. Across the class! Transgender! Transcend species! soldier,…

- Description from novelbuddy

It is the story of a young man who died and was reborn as a level 1 skeleton soldier in an underground world. Follow our protagonist as he struggles to survive in a foreign, RPG-like setting surrounded by danger and monsters. Watch as he levels up and overcomes all obstacles through sheer perseverance and wit, rising to prominence

I became an extra who confessed to the main character in a female-oriented romance novel but was rejected – an embarrassing history. However, I tried to brush it off as no big deal, until… “…Didn’t you say you liked me?” After you rejected me, why are you now clinging to me…?