Kokoro Komete

"Kokoro Komete" (心こめて) is Becky's debut single under EMI Music Japan, released on December 2, 2009. It is the first single where she is credited under the name "Becky♪♯" (ベッキー♪♯). The single is her first to debut in the Top 10. One of its B-sides "Hapi Hapi" (ハピハピ) was used as the opening theme for Crayon Shin-chan.