10th Anniversary Project "decade" started for DaizyStripper 10th Anniversary in 2017. The release of the first single/coupling collection of the "10" project has been decided! This coupling collection includes a complete revival of the second and third single coupling "endorphin.", including Mayu's performance. Up to 5 people Ver. Also included is "BlackDROPPer (2007ver.)", which is popular at live performances even though it is a venue-limited sound source.