Traveling Through the Hokage City, I Will Be Naruto's Son-In-Law

[Naruto + Son-in-law + Time Travel + System + Single Female Protagonist Darkening + City + Passionate Blood] Traveling to the world of Naruto and settling in Konoha City, I will be Naruto's son-in-law? The time traveler Mengchen came to the world of Naruto and became Otongmu Tatsuki. He was the leader of the Otongmu clan and the lord of the sect, and obtained the strongest copy system. Every day I think about pleasing my wife and fighting with the Tongmu tree planting faction! Earn points by completing dungeon tasks, and you can buy them in the system mall! Samsara Eye? Purchase! Tailed beast? Purchase! Eight Gates Dunjia? Purchase! The art of hundreds of heroes? Purchase! Sharingan, come 10! Mengchen: "Wife, what's wrong with you?" Sunflower: "I'm smart! I'm dark!" Ben: "What are you going to do?" Mengchen: "I want to dance with you!" Hashirama: "What are you going to do?" Mengchen: "I want to be the daimyo of the Land of Fire!" Naruto: "What are you going to do?" Mengchen: "I want to take back Datongmu Star!" Everyone: "Why?" Mengchen: "Because I can open the door to death infinitely!"