Tsukiyama Hoshino, an office lady at a major bank, ends up seconded to a small game company called Studio G3 in Akihabara because of her superior’s harassment. What awaits her is a team of individualistic game creators led by company president Tenkawa Taiyo who thinks about nothing but creating interesting games. Meanwhile, Sensui Izuru of Solid Works, the industry’s largest company which Taiyo previously worked at, reaches out for Studio G3 and Taiyo but... Based on the manga series "Tokyo Toy Box" by Ume.