I Became Friends with the Second Cutest Girl in My Class (WN) - Chapter 253

He once stained the rivers and mountains with blood, his brilliance unparalleled. Unexpectedly, he encountered a great calamity, a dragon trapped in shallow waters, everyone thought he was nothing more than a useless son-in-law. But how could Gold Scales belong to a mere pond? The returning king, under the name of Frenzied Son-in-Law, with the War God’s stature, swept across the Eight Desolations of the Four Realms, the world trembled beneath his feet!

(Naruto + Single Heroine Tsunade + Romance + Action)A failed author transmigrates into the Naruto world, becoming the younger brother of Konoha’s White Fang, Sakumo Hatake, and the uncle of Kakashi. He gains a cheat ability—enhanced cellular activity.Coincidentally, just before the Second Shinobi War, he participates in a Jonin meeting where he supports Tsunade's proposal ahead of Dan Kato, marking his first encounter with her.From then on, he launches an intense pursuit, winning her heart during the war.Tsunade: “Kawakaze, why do I keep losing to you?”Kawakaze Hatake: “Because I’d like to live a few more years...”Kakashi: “My uncle is amazing, I’m his biggest fan!”Kawakaze Hatake: “Keep it low-key, keep it low-key.”

Peace is a lie told by kings sitting on a pile of corpse..........In a dying world ravaged by dungeons, beasts, and alien gods, only one truth remains:Power decides everything.Some Heroes are kind.Some are just.Most... are monsters wearing crowns of light.Ezekiel Zahara was supposed to die forgotten, a bastard stain in a noble bloodline.They tried to kill him.They failed.He awakened a mysterious system that enabled him to fuse lifeforms with machines into something neither man nor gods could comprehend.With circuits running through his Spirit Veins and mechanical beasts by his side, Ezekiel will carve his legend into the bones of the world.

A world where God will grant abilities called Skills to those who come of age. The protagonist, bestowed with two skills, uses them and rises to an existence called a hero.