Yuki has entered the 15th anniversary of the solo debut since February 6, 2017. The release of a single collection to commemorate the anniversary year has been decided. It will be released with unreleased songs in addition to 11 songs from "Playball" to the latest single "Flag", released after "POWERS OF TEN" released on the 10th anniversary.. In addition to posting liner notes by the person in the booklet, the limited production limited edition is a super luxury special package that is inevitably sold out, including a limited 15th AnniversaryT shirt and other accessories that can only be obtained with this product.. In addition to the DVD (the recording content released soon), the first production limited edition will also be released in a special package with paper jacket specifications..

[Complete production limited edition] CD+DVD+accessories

・ 15th Anniversary T -shirt enclosed
(L size length: about 69cm, body width: about 52.5cm, sleeve length: about 22.5cm polyester 65%, 35%cotton)
・ Analog size vinyl case
・ Paper jacket specification
・ DVD "Stand Flag" Music Video
・ All song liner notes by YUKI