"Hitori ni Shinaide." 「ひとりにしないで。」

"「ひとりにしないで. 」" (Don't Leave me Alone) or more formally known as '''プーチンP第1部　「ひとりにしないで. 」 (Putin-P Part 1 "Don't Leave me Alone."''') is Putin-P's first album.

It consist of 11 tracks, 9 published songs from the Putin-P Series (only without Ronald's voice) and 2 unpublished songs. The full version of 4 songs (All Together!, It's the End, It's Happiness, and I'll Give you Chocolate) are also included in the album.

A crossfade can be heard here (nico video) and was first distributed in VOC@LOID M@STER 12.