Triangle vol. 2

==Background==
"Triangle vol. 2"  is the second album in the Triangle series, which are given out as promotional albums for buying ¥3,500 or more worth of products. It is a mini compilation album featuring three tracks from three different producers: otetsu, PolyphonicBranch, and mothy.
This album was only sold in K-BOOKS's stores, no online sales were released.
==Preceding and succeeding albums==
Triangle vol 1.jpg|Triangle -vol. 1-
Triangle vol 3.png|Triangle vol.3
==Tracklist==
==External Links==
===Official===
===Unofficial===
Category:Albums
Category:Japanese albums
Category:Albums featuring Megurine Luka
Category:Albums featuring Hatsune Miku
Category:Albums featuring Kagamine Rin