MTL - My Items Have an Upgrade Panel - Chapter 11 Do-it-yourself plug-in

(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.”

Childhood sweethearts.
The most popular person in school is my childhood sweetheart.

- Description from Novelupdates

In her past life, Lu Zhaozhao placed her trust in the wrong people, inadvertently causing the death of the man who deeply loved her.Reborn on the first day she met him, Lu Zhaozhao decisively dragged Song Si Nian to register their marriage. As she busied herself with dealing retribution and slapping faces, she had only one principle regarding her husband, who suffered from emotional expression disorder: to love him.What Lu Zhaozhao did not know was that she was Song Si Nian's only light. His illness made him paranoid and obsessive, yet he dared not reveal his true self to her.But the truth cannot remain hidden forever. When everything about him was laid bare before her, Song Si Nian held her tightly, tears reddening his eyes, and with a timid voice asked while buried in her neck, “Zhaozhao, do you not want me anymore?”

[Fiction from the 1980s] Su Wen read a popular novel about son-in-law in the 1980s. The hero is a tough guy with a sense of security, but at the same time he is a bit dark-bellied and sullen.

It was the style she liked, so with a wave of her hand, she rewarded one million reading coins—and then she became the hero’s scumbag ex-wife.

In the book, the original body, as the head of the family who recruits a family at home, does not want to stand up for the family, but is a love brain. Don’t want to have huge golden thighs, but was instigated by the little white flower heroine, and fell in love with the scumbag from the next village.

After Su Wen came through, she hugged the male lead’s golden thigh tightly, and worked hard to make money and become rich. As a result, the younger sisters were too competitive, crying and shouting to recruit a son-in-law at home like the older sister, and they gave birth to a baby with the surname Su.

So, Su Wen started the rhythm of choosing her son-in-law every day, all of them are handsome and talented. One body is better than the other, and the family background is better than the other. It’s so hard to choose!

Someone who was left out aggressively blocked her behind the door: “Am I handsome? Is my figure good? Is my family strong?”

Su Wen: “…But they are my sister-in-law.”

“My whole body is yours. I will give you the passbook, and I will give you my life.”

The next day, Su Wen woke up and looked at more than twenty passbooks, lost in thought…

- Description from novelbuddy