"ほっこりんれん" (Hokko Rin Len) is Hidarigawa Slash's first album. It consist of 11 tracks, 1 new track, and several others of which are remastered. Notable songs from the album include "Cosmetic Love!!", "Baby, You" and "Sealed Headphone".
The album was first distributed on VOC@LOID M@STER 21, and is not available for order; though it is said that Hidarigawa Slash may put it on the iTunes Store. A crossfade of the album can be heard on Nico Nico Douga.