Becoming a Sage Starts From Condensing the Essence of Time - Chapter 5

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

(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.”

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

Damien Castro, the God of Lust in the Thousand Starry Domain, was known for his unparalleled mastery of pleasure.His deeds you asked?The Immortal Lotus of the Heavenly Peak Sect, known for her beauty and swordsmanship, fell for his charm.The Frozen Lotus of the Silver Moon Clan, who's cold as ice, was turned into a soft woman.The Empress of the Phoenix Clan submitted to him both in body and spirit.The leader of the Heavenly Shadow Sect, once untouchable to all men, was claimed in just one day.Lastly, the Princess of the Spirit Blossom Sect had her heart stolen while he was just casually traveling.After failing to ascend the Heaven Breaker Tribulation, he died. But when all hope seemed lost, he suddenly awoke in the body of a young man who looked exactly like him, though malnourished.In his return, however, he found himself with a 10 times boost in everything he does. Read as how Damien challenges the heavens once again.