One Piece: I'm Destined to Be the Son-in-Law King! - Chapter 10: The Brightest Star

An ordinary medical student suddenly got the blessing of the system and could directly see the patient’s health! Since then, treating illnesses and saving lives has become commonplace, and he has also become a legend in the medical field.

- Description from novelbuddy

Until he became the lowest-ranked master, his lonely and luckless life never changed.

Suddenly one day, a descendant injected him with a nanomachine, and the machine started ‘speaking’ to him.

“What? What are you talking about?”

This was beyond the boy’s knowledge, he turned pale.

The Nanomachine linked to his cerebrum realized the User was not understanding a single word it said.

“Who are you, and why are you doing this to me?”

“Nano Mashin?”

The boy’s face hardened.

Mashin was the deity the Mashin Religion worshipped, along with the Sacred Fire.

The religions’ Master communicated with Mashin.

“Um, are you really Mashin?”

The boy knelt down and asked with a trembling voice. At this, the Nanomachine attached to his cerebrum realized it had been misunderstood.

“Now that I’m back, I won’t allow my loved ones to die again!”

The Shadow Labyrinth – the most catastrophic existence humanity has faced in history.

Desir Arman is one of the six remaining survivors of mankind.

The six attempted to clear the final level of the labyrinth but ultimately failed, and the world came to an end.

However – when Desir thought he would meet his demise, what is revealed before him is the world… thirteen years ago?!

Desir is returned to the past, back to the time when he enrolled at the nation’s finest magic academy – Havrion. He is reunited with his precious friends, and is prepared to change the past to save the world and his loved ones…!

Three years remaining before the emergence of the Shadow World!

Change the past and gather powerful comrades to save mankind!

“Ding! Choose your idle skill.”“Ding! Idle complete. Language level +999.”“Ding! Choose your idle skill.”“Ding! Idle complete. Basketball level +999.”After a freak accident, Qi Ning acquires the “”Unlimited Idle”” system. But just as the system binds to him, it crashes, leaving a repair time of 999 years. However, to Qi Ning’s surprise, the system still allows him to idle, and with every second of idling, any chosen skill instantly reaches level 999.With his life now dramatically transformed, will Qi Ning’s rise from mediocrity be unstoppable?