Inu to Hasami wa Tsukaiyou EP5 - Nothing Ventured, No Dog Gained

Madoka kicks her way through an apartment window in pursuit of Kazuhito. Natsuno's true identity is revealed. For Madoka, she is her brother's killer--Shinobu Akiyama. Natsuno attempts to speak for Kazuhito and convey his thoughts, but Madoka takes Kazuhito in her arms and leaves through the window, escaping into the night.