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

In the beautiful mansion, both Erika and Yumiko listened to Alan's plans to throw a celebration for Ryuji. It sounded strange to Erika at first. To Yumiko, it was clear that Alan understood Ryuji well. He spoke about his concerns and thoughts with such confidence it shocked her.

'If this man were female, I would be at risk of losing my first seat.'

From the very first meeting, Erika sensed a peculiar connection between Alan and Ryuji. It was a bond that made her uneasy, a feeling that intensified as she became Ryuji's mate.

However, now it felt that she might have to monitor Alan and his sister. If she shared the same aura as Alan did. Then wouldn't another woman slip into Ryuji's bed?

Fox and Hero - Before the Party!