Pure Pure Heart (ぴゅあぴゅあはーと Pure Pure Heart) is an insert song by Ho-kago Tea Time, produced by Pony Canyon and published on 2 June 2010 within the album of the same name. It was published a second time on the album Ho-kago Tea Time II on 27 October 2010. The song was sung by Mio Akiyama's voice actress Yōko Hikasa.