In 2010, she was named one of the "7 most irresistibly cute Japanese idols" by the Thailand version of the men's magazine FHM.

[1] Hoshino married horse racing jockey Kōsei Miura (三浦 皇成) on September 25, 2011.

In the book Hoshino gave advice to female readers on how to apply makeup and "retain one's body shape".

Collaborative work with the brand paired Hoshino with additional collaborators including Hello Kitty,[6] G-shock,[7] Medicom Toy[8] and photographer Yasumasa Yonehara.

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