Tsuna is sent to assassinate his teacher-an alien that's actually an octopus-and come back to Italy. Yet Tsuna finds himself trying to understand his target rather than kill him. But Tsuna would rather face an octopus threatening the world than his crush. Does that make him weird? [Enma/Tsuna] [Karma/Nagisa]

When you have a color changing octopus nicknamed Korosensei, government agent Karasuma, and a assassin named Irina Jelavich, all teaching E class, who else could you add? A Italian Mafia boss, anyone? Enter Tsunayoshi Sawada, Vongola Decimo. No slash.

Speranza academy, school of prodigies, elites & the rich people. That's what the civilian knows, but Speranza Academy also one of Vongola properties. Speranza is divided into two class groups, Silver for civilian & golden for mafia related students. What if certain 10th boss of Vongola transferred to Speranza academy because of a big mission that he need to do? What will happen?

Sawada Tsunayoshi, known as Dame Tsuna who's a failure, useless, and a bullying material... He always fail in everything, while...Tsunayoshi di Vongola, a proud Mafia Boss of Vongola family, the strongest family and the biggest one in the world. Both of Tsunayoshi had a VERY BIG SECRET...

(Previously called 'Welcome Back') Tsuna was the seventh member of the GOM though he was not widely known due to the lack of action. He has also went missing for a year. So when Kuroko catches him, he comes back by giving them a good camp with the help of his guardians and Reborn. Now a series of complete unrelated one-shots. [COMPLETE]

[BEING REWRITTEN] Just when they thought there wouldn't be any crazy lunatic trying to take over the world, chaos broke the silence. However, not in the present, but in the time of his ancestor. TYL!Tsuna/Boss!Tsuna, 1st Gen, 10th Gen.