I Love Destroying Worlds' Plot [BL] - Chapter 1630 - 22.17 Third Red Star - Mermaid King’s only rule for humans.

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

- Description from Novelupdates

Reina Suzuki was an overworked office worker—until she died and woke up as Lavinia Devereux, the infamous villainess princess of the Elarion Empire.She knows how this story ends: she’ll drink poison and die. A painless, easy death. So why bother changing fate? Villainy, revenge, redemption—sounds like way too much work. She decides to do absolutely nothing and let the story play out.But her terrifying father, Emperor Cassius Devereux, won’t ignore her like he’s supposed to. He watches her, questions her, and—worst of all—starts acting like he actually cares.Lavinia just wanted a quiet villainess retirement… so why does everything keep changing?

Layton just wanted a weekend alone in the wilderness. Instead, he woke up in a nightmare.Earth has been inducted into a multiversal system, and survival is no longer guaranteed. Forced into a brutal wave dungeon with no warning, no tutorial, and no gear, Layton accidentally locks himself into the weakest class—Healer.That’s when things start feeling… off.He’s leveling way too fast. His so-called “support” class? Feels anything but weak. And his only ally? A too-intelligent, bloodthirsty predator that might be more than just an animal.Something is wrong with this system. Layton just has to survive long enough to figure out what.

(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.”