SKE48 brings the 18th single. This is the last single Rena Matsui participated as a member. This edition includes a bonus DVD with two music videos each for "Maenomeri" and "Nagai Yume no Labyrinth" plus bonus video footage "2588 Nichi. - Documentary of Matsui Rena (First Half)." Also comes a photo randomly selected from 19 kinds and a ticket for an event (valid only in Japan).