This CD added 5 new version of "Butterfly", includes the OST version that's used in Tri.
Track List as followed:
「Butter-Fly Music Library」収録曲This album will come with 2 versions, much like previous released of "Wada Kouji Memorial Best Sketch 1 and 2" CD, both version will also be illustrated by Watanabe Kenji and Tri's character designer, Uki Atsuya.
This CD will pre-release in the Toei Shop (Their website is currently region locked),
After the Digimon Adventure Fest 2017, the regular version will be available on the Feel Me Market online store.