Overlord (WN) - Volume 2 Chapter 18

Lin Chen was persecuted by his childhood sweetheart and accidentally obtained an ancient legacy. From then on, he embarked on a path against the heavens!“I am a sovereign! Those who insult me will be killed, those who obstruct me will die!”

[Welcome to the Magic Universe, a world where magical power reigns supreme.][Congratulations on awakening the Infinity Money System.][Feel free to splurge your money and prove to the entire universe that there's nothing money can't solve.][If there is, it simply means you don't pay enough money!]So, the show of your adventure begins![Detected: Host burned Forbidden rank Scrolls for warmth, rewarded with God rank bloodline: Heart of Origin!][Detected: Host used Temporal Shard to ripen grapes, rewarded with God rank talent: Master of Time!][Detected: Host fed Leaves of the World Tree to a rabbit, rewarded with Mythical Beast: Aetherlapis!][Dear Host, you now bought and own the entire Magic Universe.][Which universe would you like to conquer next?]Good, let’s move on![Ding! Abnormality detected.][Warning, Host, you are not the only system processor…]

Inexplicably, she had crossed over to the end of the 1970s and was thrown into the mountains. Fortunately, she is rescued by a handsome soldier. Only later does she discover that Brother Soldier is actually the unlucky male supporting role of a historical novel. He was used and deceived by the heroine in various ways and finally dumped on the grounds of the progressive new era not supporting arranged marriage.

Damn, will such a good Brother Soldier will still end up like that in the future? If the heroine doesn’t want him, then step aside and let me have a go.

But how will we live in a time that lacks modern food and clothing? Hey, I bring something different, now I can guide this male lead to be well-fed and make the heroine get mad.

- Description from Novelupdates

(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.”