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

With Yumiko and Erika entering the Misty Forest Inn, Ryuji headed to meet Alan. The moment Simon saw Ryuji, he gave a friendly wave, while Paul created a flicker of flames and nodded, which made Ryuji's lips curl into a smile.

He always felt excited when meeting these people. His speed increased, and he dove past the random adventurers and common folk, the various scents and sensations of their bodies brushing past him as he lept forward.

However, Alicia's ears flickered before her green hair cascaded as she twisted her hips and caught Ryuji in her arms.

Her soft breasts cushioned his impact as her delicate fingers wrapped around his back, twirling the pair around several times.

"Ryuji, you became even sexier!? What did you do?"

Delinquent and Complicated Women