Honkai: Kamui

See, waking up in a new world with the memories and experience of about 30 years of another person in your head while being only 15 himself was an experience he never wanted. Now, how would he survive Madara and the rest, he didn't know Hah? Honkai? Wait a Damn second, this isn't Naruto?! Looking at the white and pink monsters surrounding him and the white haired man with a child who was surrounded by armored women he was doubtful. Looking at the floating child with golden eyes, he wanted to curse God, Why in the name of the Sage of Six Paths was he sent here of all places! ___________ OR What happens when a teenager who lost his own memories gains all the memories and experience of Obito Uchiha alongside his Body and is thrown into the World of Honkai Impact 3rd _____ "Ha?! You want me to take care of her?! We just met!" Few years later, looking at the girl who was clinging to him, he had to sigh that Kaslanas are scary