Wanna One's Yoon Ji Sung has unveiled a short, nostalgic 1st MV teaser for his upcoming comeback title track "I'll Be There".

The 1st MV teaser begins with the soft strum of an acoustic guitar, as unique scenes and images pass by to the gentle music. Yoon Ji Sung will be making his first ever solo comeback since his debut in February with a special album titled 'Dear Diary', set for release this April 25.

Just one more week left until Yoon Ji Sung's return with new music!