1. From SKE48 Idol to Top AV Star

Yua Mikami began her career as a member of the idol group SKE48 in 2009, and later transitioned to adult entertainment in 2015 under the Muteki label. Her debut video, Princess Peach, became one of Muteki’s biggest sellers, and she went on to star in over 200 AV titles, later affiliating with S1 No. 1 Style. By 2021, she was the best-selling AV actress in Japan

2. Cheki Photo Cards as Premium Collectibles

Cheki photos—instant Polaroid-style snapshots, often personally signed—are a popular collectible for fans of Japanese idols including Yua Mikami. Some listings for her autographed cheki cards sell for hundreds to nearly $2,000 USD, especially rare or limited-edition editions

3. Rare Formats: Signed Juicy Honey Cheki & Photo Cards

High-end cheki listings include Yua Mikami lingerie-themed Polaroid cheki, sometimes tied to her Juicy Honey series. These premium signed pieces are highly sought after—and have been sold for over $1,900 USD on auction platforms

4. Cheki as Gacha‑like, Fan‑Interactive Merch

Cheki photos are often distributed randomly (like a gacha pull) at live events or via proxy services—fans purchase without knowing exactly which image and signature they’ll get. Personalized requests (like adding your name) are sometimes possible, making each cheki unique