1. Overview “Himawari wa Yoru Saku” is a Japanese phrase that translates literally to “The sunflower blooms at night.” It is widely recognized as the title of a popular romantic drama audio series (voice drama) and a song produced by the Japanese voice acting and music duo HoneyWorks , performed by the fictional character Sena Narumi (CV: Minase Inori) as part of the Confession Executive Committee series.