EROSION's 1st ALBUM is now available! The album includes the album title track "What is mine" and three other edgy new songs, and is the culmination of the five members' first year. 5-Vocal-Band Ecstasy Ver. includes a limited A3 multi-cloth with newly drawn illustrations, replacement cover inspired big postcard, liner notes, a newly drawn drama CD for the first live, and EROSION's first newly written dummy head situation CD. The first ever EROSION dummy head situation CD is included.