将于2021年2月27日发售的机兵《十三机兵防卫圈 Remix & Arrange Album -The Branched-》CD公开由喷香草社平井有纪子绘制的封面图，意味着「分岐」-Branched-这一概念，防卫封面是圈新一张能勾起不雅者想象力的丹青。本CD共收录14首曲目，编曲除因幡深雪的收录深雪新歌外还包孕一首新的崩坏篇主题印象曲『-[PROTEASE]-』，售价2750日元。因幡
■收录曲
01.Brat Overflow -Branched-
02.-(ISOLEUCINE)- -Branched-
03.Halcyon Days -Branched-
04.-(LYSINE)- -Branched-
05.-(PHENYLALANINE)- -Branched-
06.Mornin',新歌 Sunshine! -Branched-
07.????
08.Heated Debate -Branched-
10.-(TRYPTOPHAN)- -Branched-
11.In the Doldrums -Branched-