Hatsukoi Cider / Deep Mind
2012 single by Buono!

"Hatsukoi Cider" (初恋サイダー; lit. "First-love Lemon-lime") / "Deep Mind" is the 13th single by the Japanese band Buono!, released in Japan on January 18, 2012.
Composition
As the band members pointed out in their interviews to CDJournal, "Hatsukoi Cider" is a refreshing up-tempo track, while "Deep Mind", being a theme song for a horror movie, is a dark composition, which they performed in low, deep voices.
Music video
The music video for "Hatsukoi Cider" features Hisako Tabuchi of the rock bands Bloodthirsty Butchers and Toddle on guitar. It features the members performing in a grey-lit room.
The music video for "Deep Mind" features Buono! singing in a dark area. A "MOVIE Ver." was released on the Event V of the single. A majority of it is the same as the music video but intercuts with scenes from the film Gomennasai, which Buono! themselves starred in.
“Hatsukoi Cider / Deep Mind” enters the record as 2012 single by Buono. Crown Archives preserves that source wording while asking what Hatsukoi, Cider and Deep can confirm, complicate or overturn.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 1, 2026. The linked authority identifier is Q1137320. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2012.
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This entry incorporates text from “Hatsukoi Cider / Deep Mind” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.