Konishi, a high school student, and his girlfriend Sanae regularly attend the drama club. The boy has long been attracted to her sincerity, hard work, and other feminine qualities, and they began dating. Weeks and months passed, yet the relationship did not progress. One day, during another drama club rehearsal, Sanae discovers condoms in Konishi's room. Konishi feared there might be trouble. However, the girl's face was already frozen in anticipation.