 Tsugumi Ohba, the writer of "Death Note", decided to create Misa to be the second Kira before serialization began.He felt that having the story solely consist of males would be "boring" and wanted "a cute female".Ohba, intending to introduce her with the Shinigami Eyes, described Misa as having to be "spontaneous and not too bright" and that he determined her personality from the start.