Ume-chi

Opening of the modern exorcist! The Chicci brothers are exorcists who save people possessed by an unknown virus, commonly known as a "demon." This 'demon', which is transmitted through fear, keeps passing from person to person, and cannot be eradicated by ordinary exorcists. Except for the brothers, who are stray exorcists outside the jurisdiction of the Vatican.

In a world where objects with names become living creatures, a 2nd year college student named Sosuke breaks his violin. As a replacement, he ends up purchasing a 'named' violin that can transform into a human. The violin falls in love with Sosuke's playing, but no matter how much they practice, they can't get a decent sound! They'll have to figure out a solution to their problem...