Historia
Sachi and her boyfriend Takara are a young couple in high school. They go to school together, hang out, and even engage in the more intimate side of dating. However, after a recent evening of sex, Sachi gets the feeling that something isn’t right and buys a pregnancy test. Later, in the bathroom of a family restaurant far from her home, she sees the two red lines that will change her life forever.
Sinopsis vía AniList (en inglés).