Kokoro in Fan Culture
- Some fans have related her to Satori and Kaguya because of the similar colors and styles of their clothes and hair.
- A popular gag is having her with masks of other known things, such as Kamen Riders (particularly Wizard, who frequently talks about hope), The Stone Mask, Majora's Mask and so forth as opposed to her normal ones.
- Due to the ties with Koishi, she is sometimes shown with her. At others it's Mamizou as she helps Kokoro out.
- Fans have noticed similarities with expressionless but attractive characters such as Yuki Nagato or Rei Ayamami, though with the liveliness Kokoro shows, she ends up developing her own charm.