With one day left before deadline, Kihyun of K-pop boy band MONSTA X has yet to choose the title track for his upcoming solo album, "BORDERLINE." The MONSTA X main vocalist had another song penciled in, but a nagging feeling would not leave him. So he did what the album itself is about — he trusted his own instinct and eventually went with "So Good," a rock-based track carried by delicate, technically demanding vocals. Kihyun has anchored MONSTA X as its main vocalist since the group debuted in 2015, with the voice that carries its choruses and its highest of notes across a decade of albums, tours and festival stages. Away from the six-member act, he has built a parallel solo identity rooted in belt-heavy rock, starting with the 2022 single "VOYAGER" and the mini-album "YOUTH." "I chose [the title track] with the mindset of trusting my own choice," Kihyun said in an interview with The Korea Times, Wednesday, at the Starship Entertainment headquarters in Gangnam District, Seoul. "And I think it really was a great choice." That decision anchored "BORDERLINE," Kihyun's second mini-album a