BTS isn’t breaking up, but they are going on a break. The Korean pop band made a surprise announcement Tuesday that they’re going on an indefinite “hiatus” so that members Jin, Jimin, RM, J-Hope, Suga, V and Jungkook can work on their own solo projects. “The group has definitely changed,” RM said at FESTA, an annual celebration of their debut, saying he “didn’t know what kind of group we were anymore.” “Whenever I write lyrics and songs, it’s really important what kind of story and message I want to give out, but it was like that was gone now,” he said. “I don’t know what kind of story I shoul…