Doki Doki! PreCure Happy Go Lucky! Doki Doki! PreCure / Beyond This Sky Theme Song Single [CD+DVD Edition] Product Number: MJSS-09094～5 Disc Condition: Both CD and DVD are excellent ◎ With obi strip This is a CD+DVD set featuring the opening and ending themes of "Doki Doki! PreCure." The opening theme, sung by Tomoyo Kurosawa, who is participating in the "PreCure" series for the first time, is a cheerful and fun song befitting the show's theme of "love."