- A farewell to the last night, and to you. This release marks the first collaboration between Imy and Endorfin., two artists expanding their reach across the net scene and rhythm-game world. The new track "Rain and the Pleiades" is a collaboration piece inspired by raindrops that shimmer like a starry sky. Also included are newly recorded mutual arrangement versions: Imy's arrangement of "LØST-IDEA" and Endorfin.'s arrangement of "Hōseki o Yadosu" ("Harboring Jewels"). Imy: An artist project by composer Myu and illustrator Onineko. Endorfin.: An artist project by composer sky_delta and vocalist Aitsuki Nakuru.