Gekijoban BiS Tanjou no Uta (劇場版 BiS誕生の詩; Movie of BiS Rebirth Poetry) is a 2017 documentary film covering the BiS Reformation Audition and the early activities of the reformed lineup of BiS.
It was released in theaters as a double-feature with WHO KiLLED IDOL? -SiS Shoumetsu no Uta-. It was later included with the DVD edition of SOCiALiSM.
An edited version of the film was aired on Space Shower TV, and later uploaded to YouTube.
BiS誕生の詩（SSTV ver.）前編
Cast[]
As this is a documentary, all cast appear as themselves.