Mariko and Shii-chan have been friends since middle school, and have maintained their friendship over the years. But Shii-chan, now an OL, suddenly hears on the news that her friend has killed herself. In shock, Shii-chan searches for the reason... The reason why her broken friend had finally committed suicide.
(Source: MangaDex)
<b>Included one-shot:</b> Yiska
