I Transmigrated as Sakura Haruno and Signed In to Become the Empress

A cursed shut-in transmigrates into Naruto and becomes the heroine, Sakura Haruno. She obtains the [Sign-in + Empress] System. The sign-in function comes with an underworld attribute, and successfully signing in grants an underworld treasure chest. The Empress intends to become the overlord of the ninja world. She is currently the hidden lord, king, queen, empress, and sovereign of the [Land of Waves], [Land of Tea], [Land of Fields], [Land of Birds], [Land of Sea], [Land of Bears], [Land of Vegetables], and [Land of Rivers]. Her current heroic subordinates include: Ken Kaneki, Haku, Qin Chui, Lanling Wang, Uchiha Shisui, Ichigo Kurosaki, Tayuya, Kimimaro, Inuyasha, Tokisaki Kurumi, Edogawa Conan, Aquaman, Tsukino Usagi, Zoro, the Witch Kikyo, Kirishima Touka... Empress Sakura Haruno's current weapons: Level 9 Executioner's Blade, S-rank Sword of Zhu Xian...