Hunting down obscure soundtracks is one of those little quests I actually enjoy, and the official 'little innocent
taboo' OST is no exception — here’s how I would track it down step by step. First, the most reliable place to check is the title's official site or the publisher's online store: if the soundtrack is truly official there will often be a product page, a catalog number, and purchase links. If the title was released alongside a game or visual novel, the storefront for that platform (Steam, Nintendo eShop, PlayStation Store) sometimes sells the OST as downloadable content or points to the label that released the physical CD.
If I can’t find a direct retailer link, I turn to the big import shops that specialize in Japanese music and limited-run goods: CDJapan, YesAsia, Tower Records Japan and Amazon Japan are my go-tos for physical CDs that ship internationally. For smaller or indie composers, Bandcamp and BOOTH are incredibly common — those sites host digital downloads and often sell limited-run physical editions after events. I also check Discogs, Mandarake, and Yahoo Auctions Japan for second-hand copies if the pressing is sold out. For bidding sites and Mercari, using a forwarding service like Tenso or Buyee can make the purchase doable if the store won’t ship overseas.
On the digital side, streaming services and stores such as Spotify, Apple Music/iTunes, and Amazon Music may carry official releases, so it’s worth searching the soundtrack title and the composer’s name there. Pay attention to catalog numbers, label logos, and liner notes when buying: those details help confirm the release is legitimate and not a bootleg. If the soundtrack is particularly niche or a doujin release, composer or label social accounts (Twitter, Pixiv) often announce reprints and direct sales, and small-label webstores sometimes only accept Japanese payment methods — again where an import service helps.
Finally, for a stubbornly rare OST I’d keep a watch on Discogs and eBay for used copies and set alerts on retailer pages. Community hubs and fan groups sometimes post sale links or scan info that confirms authenticity. Personally, I love the hunt and the moment a package arrives; grabbing the official 'little innocent taboo' OST feels like finding a tiny piece of music history, and I always end up replaying my favorite tracks with a goofy grin.