"Namida (Kokoro Abaite)" (NAMIDA～ココロアバイテ～, translated as "Tears (Through His Heart)") is the theme song for the film Zebraman: Vengeful Zebra City, released as a CD single on April 21, 2010. The song is performed by actress Riisa Naka under the name Zebra Queen (ゼブラクイーン,Zebura Kuīn), the character she portrays in the film. In the fiction of the film where the song also exists, the single has been the #1 song for 40 weeks straight during the year 2025. In real life, the single peaked at #22 on the Oricon Weekly Charts in 2010, remaining on the charts for 6 weeks. Naka states that she gave Zebra Queen a persona akin to Lady Gaga for the musical performances. In addition to a standard CD single release, a CD+DVD combo pack was released featuring music videos for both tracks with her back up dancers known as the Zebras (ゼブラーズ,Zeburāzu). In addition to these two music videos, an alternate music video for the B-Side was filmed featuring comedianNaomi Watanabe in place of Riisa Naka as Zebra Queen.