Momo Shiina first gained public attention in 2011 after becoming a finalist in Shueisha's "Photo Japan" contest. This success led to her receiving the in November of that same year, cementing her status as a rising talent in the Japanese gravure and modeling industry.

Her early media presence was defined by appearances in popular television programs, including:

She is an alumna of Keio University , one of Japan's most prestigious private institutions.

Shiina released several themed photo books and video series (Blu-ray/DVD) that catered to her growing fanbase. Notable series titles listed on Baidu Baike include: Momo Shiina in Abundance Innocence Pure Absolute Area

: A well-known variety program where she appeared during her teen years.