Ultraman - Only Want To Protect You - Chapter 18

As an anti-fan of the idol group, Starry Night, An Xiaxia is happy to spend her time online slandering lead singer Sheng Yize.

When an S-class elite assassin-raised captain of a special ops suicide squad comes home from a high-stakes Africa mission, he finds himself offered something that could potentially set him up for life- a curious assignment that he could use to finally exit his days of war and slaughter.

Then placed into a high-school setting, Lin Yi is tasked by the chairman of a top-tier multi-billion company with bodyguard duty for non-other than his own daughter, a certain little Miss of said high-school.

His enemies, once ranging from drug lords, mafia bosses, political figures, and national leaders, are soon replaced with spoiled kids who happen to have rich papas and mamas, and Lin Yi finds his intense expertise and high-threat skillset misused, and very underwhelmed…

But he does get a harem cast as diverse as his old enemies, so Lin Yi decides that, for the sake of messing around with girls as an invincible entity in a down-leveled environment, leaving his bloody and death-filled war days behind is something he’d definitely want to strive for.

- Description from Novelupdates

This story is set during the end of the Sui Dynasty, a time where multiple powers struggled for supremacy and power.

Into the fray enters two orphans Kou Zhong and Xu Ziling; these two youths by many chances and luck obtain ‘The Secret to Long Life’ allowing the two to obtain profound martial abilities and a chance to rise to the top in this age of turmoil.

A young man with strange strength came to the world of the dragon clan.

Facing the enrollment counseling at Kassel College, Lu Chen is very generous, the only one who is full of Xiaolongren is not a mixed race…

How to pass the 3E exam? Waiting online, very anxious!

…

This is the story of a young man who gradually became a handle at Kassel College

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PS1: Semi-invincible, no abuse or knife, try to find the internal taste, youth no longer regrets

PS2: You will get the dragon bloodline later

PS3: The Dragon Clan is extremely long, it’s over when you watch it

- Description from novelbuddy