It has been confirmed that BUTAOTOME will bring a new work for Kyoukai kara Mieta Keshiki, Hifuu only event dated the 26th of this month! They are planning to announce it during this week’s streaming.
Nicovideo link

Ranko no Ane said that it will be something unusual. She also said, in the past and regarding this release, that it will be a “mysterious challenge”. Also, Comp worked on different arranges during the past two months and now he seems busy with the mix; Ranko supposedly recorded vocals for them. What we should expect? We’ll discover it on Wednesday!