TheDragonSlayer

“Ah... foolish hero, come to slay me... Heed my command and kneel!”

The Demon Queen offered Ryuji half the world—however, he desired everything.  
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Ryuji Vincenzo, a misunderstood son of a female gangster, beats his teacher upon seeing him commit a crime against his friend’s girlfriend. Yet because of his looks, the school forces him to change schools instead of expelling him. 

However, on his first day of changing schools, his class gets summoned to another world. 

He gains a useful class, but the calamity star chooses him. The star signals future tragedy or conflict in the new world. Despite this, the king, although asking them to fight against the demon king, doesn’t threaten them and is quite likeable.

Thankfully, the students are all given the power to fight, and this new life looks up for Ryuji, who desires to make friends and find himself a girlfriend.

Ryuji himself is quite a handsome man because of his father, but his mother's strict rules make him a strange person who wants to connect with people. 

This leads him to help those who cannot fight who would die otherwise. He wields a massive axe and uses his talents to support the weak members of his class. 
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BATTLE JUNKIE PROTAGONIST
LEVEL SYSTEM
WEAK -> STRONG
HAREM
BEAST GIRLS
DEMI GIRLS
MONSTER GIRLS
MOB GIRLS
NO YURI 
NO NTR
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This novel is a repost, as I became ill when writing the previous version and fell behind too much.

Extra Harem: S-Rank Berserker in Another World

Ryuji and Yumiko grabbed each other and rushed into the room. They started grappling each other before reaching the golden chest. Across the front were strange sigils, however, if someone paid attention to the Lich tattoo on Ryuji's body.

They would have matched the shapes.

However, Ryuji and Yumiko's playful banter and flirtation made the others feel embarrassed. Even the mature Paul couldn't help but cough and turn away. The others stood near the entrance, waiting patiently for Ryuji to claim his prize and stop flirting.

"Hmmm, Yumi, what do you think is inside?" Ryuji asked while unfastening the hatch.

Yumiko's lips curled into a cheeky smirk before slapping Ryuji's back with her tail. The thud echoed throughout the room before she clung to his back. Once the chest opened, she peeked over his shoulder to see inside.

Delinquent and Crimes forgotten