[Touken Ranbu] Gone with the Wind

A seriously ill Master was assigned to a dark Honmaru, where they warmed the hearts of swords that had been hurt too many times. Slowly, the swords began to accept their Master. But then they noticed the Master's health growing worse and worse: they coughed up blood from time to time, and eventually became bedridden. The smiles that had gradually appeared on the swords' faces vanished again. Finally, the Master passed away, and the swords of this Honmaru completely fell apart...

That's right, this story has a bad ending. If you're not careful, you might end up with a mouthful of broken glass, so only click in if you can handle it. This is a tragedy from the very beginning.

It's probably a Saniwa x everyone story. I firmly support the top!