Beware Of the three headed iron-Blooded sword hounds

In the far away empire where time stands still between past and future lays a powerful clan call "The Baskerville clan!", a clan that prides itself on their swordsmanship and strength above others. It births some sword geniuses and one of their greatest, the Great Vikir Van Baskerville, the famous bloodhound that's go down in both Baskerville and the whole Kingdom history as one of the greatest saviors to the empire. Following his descendants three almost identical triplets with each individual skills that shake the clan and empire , the three young hounds spend most of their lives in the empire within the clan until they turn 16 when they among their siblings and others are assigned to attend a school call UA in a country call Japan for an exchange program between the country and empire but when they arrives they're face with arrogance along with getting look down on because they lack what the people have. But that's okay they'll show that their so call "quirk" isn't all that determine worth and will put them in their places. Let's see how these arrogant fools will last against the Baskerville triplets!