"Hatsukoi Cider" / "Deep Mind" is the 13th single by the Japanese band Buono!, released in Japan on January 18, 2012.

Buono! was a subgroup of the Japanese girl groups Berryz Kobo and Cute, formed in 2007 by Up-Front Promotion and associated with Hello! Project. The members consisted of Momoko Tsugunaga and Miyabi Natsuyaki from Berryz Kobo, and Airi Suzuki from Cute. Their vocals were backed by the band Dolce, which formerly went under name Busters! in 2008.