Listen to Happy Go Lucky! Doki Doki! Precure (From ''Doki Doki! Precure'' OP) online. Happy Go Lucky! Doki Doki! Precure (From ''Doki Doki! Precure'' OP) is a Japanese language song and is sung by Reiko Nakanishi and Manami Tasaka. Happy Go Lucky! Doki Doki! Precure (From ''Doki Doki! Precure'' OP), from the album Netsuretsu! Anison Spirits THE BEST - Cover Music Selection - TV Anime Series ''PRECURE'' vol. 2, was released in the year 2015. The duration of the song is 3:25. Download Japanese songs online from JioSaavn.