/// MISSION BRIEFING

Tai, a former system engineer, was having a good time together with his old friend Sasaki, a cram school teacher, drinking alcohol in the daytime. However, in the two years since then, they have grown dissatisfied with each other and finally decided to end their cohabitation and move out. Then one day, their friend Shiratori suddenly rolls into their house, unable to escape from her boss at work, Takizawa.