"Secret Kiss") is the third[a] single by Shouta Aoi, released on December 3, 2014.

"Himitsu no Kuchizuke" served as the ending theme song to the show Break Out for the month of December 2014, while the B-side, "Glitter Wish", was the theme song to the OVA This Boys Suffers From Crystallization.

"Himitsu no Kuchizuke" is Shouta Aoi's third single released under his current stage name.

[3][4] The single was released on December 3, 2014, under the B-green label, along with the B-side "Glitter Wish.

"[1] Along with the regular edition, a limited edition version of the single was released with an alternate covers and a DVD exclusive featuring the music video for "Himitsu no Kuchizuke.