(Crossover) Uchiha's Colorful Daily Life

After finally finishing her clan's lessons, Uchiha Izuna could at last enjoy a little peace as a beautiful deputy clan leader. No more sorting through piles of documents, no more learning all those complicated negotiation techniques. All she had to do was deal with the last scroll her friend had brought over, then she could make inari sushi for her big brother!!!! Izuna opened the last scroll, and a flash of white light appeared... After being tricked by her friend, Izuna could only cover her face, speechless and exhausted. Come to think of it, where is this place? And why are there portraits of Senju Hashirama and the white-haired guy hanging on the mountainside? The first world is an alternate universe, the second is Katekyo Hitman Reborn, and the rest are still undecided