Satoru and Suguru have been best friends since jujutsu college. But... lately, Satoru began to notice something strange about Suguru. It was as if his gaze had become dead. The smile became false. He was at the fifth stage of depression, and after the fifth stage he suicide. Of course, he still took care of himself, his apartment was clean. Suspiciously clean for him. One day, they were sitting in a cafe with Kento and Shoko. While Kento and Shoko went somewhere, Satoru swallowed and moved a little closer to Suguru — "By the way... we haven't seen each other for a long time. It's been almost a month, right...?" — Satoru muttered, trying to read Suguru's face