Yuri and Keiichiro have gotten to know each other on their daily commute to their respective high schools. Yuri makes a passionate love confession to Keiichiro, and he feels the same! Yuri rushes in to kiss her new boyfriend, but...!
Shinichi's fragile peace has shattered. The humans who know of the parasites are starting to make their move, and the parasites themselves are beginning to cooperate and dispose of loose ends.
