Conan declares Mitsui is innocent since she was witnessed leaving Miku's room; Sawaguri inferred the culprit crossed over from the balcony and left by his room. As for Miku's death, Conan explains she was mimicking the suicide of the main character in her book. Sawaguri becomes distraught as a result and is taken in by the authorities.

Heiji reads a letter he received from an already dead man and old acquaintance of his mother, design company president Kouhei Wakamatsu, who was killed a month earlier in his Karuizawa villa.