Konoha's Tag-System Ninja - Chapter 229 - : Susanoo of Lightning – Shūichi’s Takemikazuchi Armor!

In a world of magic, monsters, and rising heroes…A quiet young man with a simple life finds himself walking a path far greater than he ever expected. With his axe in hand and peace in his heart, he'll discover strength where others seek power.Slow-burn growthParty bonds & adventureUnique class & stat systemA journey that starts small—but won’t stay that waySometimes the strongest warriors are the ones who never wanted to fight.

As Orson read the novel written by the girlfriend who had left him, he gently remarked on how terrible the story was. But then, noticing a foul smell coming from the kitchen, he went to investigate. He realized there was some kind of gas leak. Already furious about being dumped, Orson became even angrier at the state of his kitchen, and in his rage, he hit the light switch with a powerful punch. Naturally, the explosion that followed killed him instantly, and Orson passed into the afterlife.After spending some time in limbo, he found himself reincarnated in an unfamiliar world. However, he quickly realized he had been reborn inside the cliché-filled novel written by his ex-girlfriend. As if that wasn’t enough, he had ended up in the body of Neonidas, a useless duke who was also the fiancé of the story's villainess.____There may be a bit too much swearing and slang in the first chapters, but it gets less afterwards.There will be no yuri, bl or ntr in Neonidas(MC) harem

A tree of 10,000 flowers, the world is the door.
The spells change a lot, but the hearts of the people are unchanged.

- Description from Uukanshu translation

In the novels, all kinds supporting male leads are not only handsome but also talented. However, the existence of the female lead’s halo makes them lose their lives and properties!

In order to change this situation, male supporting role rescue plan officially starts.Gu Jinmi was inadvertently selected by the system. However, for her own happy future, she will work hard.

(There’s another novel with the same name but different author. The story is different too.)

- Description from Novelupdates