Ruisa Totsuki's first time swallowing cum! In a stark white room, two strangers wake up with nothing but water and bread. Though shaken, the man's eyes widen upon seeing the woman. She's the popular TV announcer, Ruisa Totsuki. They try to figure out their situation, but find no answers. Days pass with dwindling food and water. One day, a note reading "Cum Swallowing Sex" appears, and the man, realizing its meaning, mutters, "Maybe we can escape if we have sex..."