The teaser for Ms.OOJA's new song "Hajimari no Toki" has been uploaded onto YouTube. 

"Hajimari no Toki" will be released on February 16, which marks ten years since Ms.OOJA's major debut. It was co-written by producer Ryosuke "Dr.R" Sakai and singer-songwriter Rung Hyang. In the teaser, you can watch a clip of the song's music video. 

On the song's release day, Ms.OOJA will hold a streaming live titled 'Ms.OOJA 10th Anniversary YouTube Live' from 8:00 pm JST. In addition to a concert, the event will premiere the full music video for "Hajimari no Toki." There will also be a big announcement, so make sure you tune in!