When Harry uses magic in front of Dudley, Dumbledore decides to introduce a new class. This lesson is one on self defense, using muggle means and he knows just the people to do it. Tsuna was in shock when he found out that not only was magic real but he, along with his guardians, were expected to teach at a school for magic. Let the chaos begin.

Sawada Tsunako tries to live her life as normally as she can, but that's hard to do when your guardian is a hitman who wants to make you the perfect mafia boss. She also has a secret that only said guardian and one other person know. This secret is the only thing that has kept her alive these past ten years. So what happens when a new student arrives at the school... on HIATUS

When Reborn walks into Tsuna's class, disguised as Reboyama-Sensei, he knew something was going to happen. He just didn't think that it would involve his class and various others going on a field trip to Italy. To make matters worse, they would be staying at the Vongola Mansion. What could possibly go wrong? On HIATUS

When he was four he was kidnapped. The people who kidnapped him experimented on him and caused him to develop different personalities. His parents don't know, only he does. When a new teacher arrives at his school, followed by new students, he feels that it is going to get harder to keep this secret. Even more so when he finds out what they want from him.

Normally, a visit to Tokyo would result in far less crazy things happening. But of course, Sawada Tsunayoshi and Shibuya Yuuri don't do normal. It all starts with a pair of inventors who have way too much time on their hands and a small invention that they thought they had destroyed. Turns out they didn't destroy it. Oops. Let the chaos begin. Rated T because Author is paranoid.