| "Koi ni Ochitara" | ||||
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| Single by Crystal Kay | ||||
| from the album Call Me Miss… | ||||
| Released | May 18, 2005 | |||
| Recorded | 2005 | |||
| Genre | ||||
| Length | 4:29 | |||
| Label | Sony Music Japan | |||
| Songwriter(s) |
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| Producer(s) | Sakazume Misako | |||
| Crystal Kay singles chronology | ||||
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| Music video | ||||
| "Koi ni Ochitara" on YouTube | ||||
"Koi ni Ochitara" (Japanese: 恋におちたら; English: If I Fall in Love) is a song recorded by Japanese singer Crystal Kay for her sixth studio album Call Me Miss… (2006). Written by H.U.B. and Shingo.S with production handled by Sakazume MisakIt, it was released as her 17th physical single through Sony Music Japan on May 18, 2005. The single is supported with the B-side tracks "Love It Take It" and "Bet You Don't Know (English ver.)"; the latter track was originally included as part of her previous album Crystal Style (2005).
A commercial success in Japan, "Koi ni Ochitara" peaked at number two on the Oricon Singles Chart and sold over 288,000 copies by the end of the year, making it the 30th best-selling single in the country in 2005. It was certified five times by the Recording Industry Association of Japan (RIAJ) in different categories, including double platinum for digital sales, million in chaku-uta (ringtone), platinum in physical shipments, and gold in streaming. In 2009, the title track attained a new peak on the Billboard Japan Hot 100 of number 51.