B1A4, debut tenth anniversary new song '10 times' Teaser release Fairytale Sensibility' on April 22, 2021 b1a4 Fairytale Gongchan Online Sandeul times +
'Colcenta of Love' Lim Young-woongvsSandeul showdown Lee Chan-won X Seung Hee Duets on February 06, 2021 b1a4 Duets Jo Kwon Lim Young-woong Mr. Trot NORAZO OH MY GIRL Raina Sandeul Seven +
B1A4 Sandeul, 'Seogadae' Ballad Award "I always love B1A4 member + fan" on February 05, 2021 b1a4 Sandeul +
b1a4 "Bana, sweet and thankful...I look forward to spending time with you in the future." on October 24, 2020 b1a4 Gongchan Sandeul Shin-Urayasu Station +
b1a4 Shin-Urayasu Station, new song 'Like a Movie' MV Stillcut Released Fantastic Duo Mood on October 17, 2020 b1a4 Fantastic Duo Shin-Urayasu Station +
'Comeback' b1a4, last Trailer released 'like a romance movie' on October 17, 2020 b1a4 Gongchan Shin-Urayasu Station +
'Three Years' Comeback' b1a4, Trailer released ..transform of black and white Silent Movie protagonist on October 11, 2020 b1a4 Sandeul Shin-Urayasu Station Silent Movie +
b1a4 "How grateful I am to be able to make a comeback, album for only three years" on October 05, 2020 b1a4 +
b1a4 'first official appearance as a trio after leaving the camp' on May 19, 2019 b1a4 Music Bank rehearsal Yeouido +
"Star Night" b1a4 Sandeul "Best BTS Jean, Shocked at Second Meeting on Stage Choi Yong-soo" on July 09, 2018 b1a4 BTS Choi Yong-soo Friend Sandeul +