October 4 marks the fateful day when a high school girl vanished, triggering an unpredictable series of events. In order to unravel the mystery behind the girl's disappearance, all of the key witnesses connected to the case recount the events leading up to and following the crime. As the pieces to the story come together, they all seem to be connected to one individual—taxi driver Hiroshi Odokawa.

Through her college years, Sam Young devoted hours upon hours to developing her adventure puzzle game, Ruminate. Despite being very ill as a child, Sam aspires to become a true game developer. But when her favorite gaming streamer, Marshall Law, tests the game, he horribly misunderstands it and declares it the worst game he has ever played. As a result, his fans bombard Sam's game with negative reviews, jeopardizing her dreams. To make matters worse, Marshall moves in as Sam's new neighbor, unaware that she is the developer he so harshly criticized. Although he appears caring and kind, she struggles to befriend him. Before she can develop her second game, Evermake, Sam must first figure out a way to repair her ruined reputation.

Bouida Haruto, a hardcore otaku with no interest in 3D (real) women, once appreciated figures from afar, accepting that if you get into them, there's no turning back. However, when Nona, a character he loved from an anime called Girls→Planetary Investigation had a figure of her released, he ended up purchasing it. And then that night, the figure of Nona somehow came to life, and a couple-like lifestyle between man and toy began. (Source: MU)

Mitsugu Banba is a high school girl who finds meaning in donating blood. She frequently visits a blood bank to donate blood, despite being harshly treated by the nurse. One day, she encounters a beautiful girl who looks like she's from overseas at the blood bank. The pale girl looks like she's about to faint any minute, but then, she starts destroying the blood bank. The girl loses consciousness and Mitsugu takes her home... (Source: Official Website)