prologue

Ritsuna Kawasashi the to-be-decimo in this world with his guardians has just came back from the future.(though everything they did there was different from the anime and manga) they finally got back to their peace (their way of peace) but they didn't expect their teacher Nezu suddenly unable to attend class due to an 'accident' and a new teacher replacing him named sawada tsunayoshi ,later did they find out that he held a great secret ,a secret that carries burden.

tsuna is 24 here
but the tsuna in the parallel world is 14

:D my first so it might suck - cover not mine. -