If you’ve spent any time in the JAV world, you already know the name Umi Yatsugake (八掛うみ). She’s Prestige’s reigning queen, and J-List customers love her for her lithe body and yes, her amazing A-cup breasts. The newest Umi Yatsugake photobook release is in stock [product link], so let’s check it out in detail in this blog post!
Great news! J-List started a huge sale on all anime JAV, hentai DVDs, and Blu-rays through April 27th. Get an automatic 18% when you buy our JAV, hentai, limited anime Blu-ray, and other media. The sale also covers all Nintendo Switch games! Start browsing here!
Who Is Umi Yatsugake?
Umi got her start in a pretty unexpected way. She was running a small YouTube channel called “Umi no Daibouken” (Umi’s Adventures) when Prestige came knocking and offered her an exclusive debut in November 2020. She was just 20 years old, and her girl-next-door charm immediately clicked with fans, both inside Japan and with J-List.
(Her name is a bit hard to pronounce. Umi Yatsugake is OO-mi yah-tsu-gah-keh.)



Since her debut, she’s appeared in lots of amazing JAV releases, including Saturday: Sex as soon as you wake up, Umi Yatsugake is Left Behind in a Guest House Full of Men, and one of our favorites, Prestige Premium Exclusive Umi Yatsugake 8 Hours. Find them all here.
Why Fans Love a Flat-Chested JAV Star
Surprisingly, how does a washboard like Umi-chan become such a famous star in an industry dominated by top names like Yu Tano, Ria Yamate, and Rara Anzai (aka RION)? Apparently it’s a feature, not a bug.
She actually kept her cup size a secret early in her career because she was self-conscious about it. But after realizing just how many fans specifically loved her petite figure — and after a hair and makeup staffer told her “you’re great because you’re small” — she publicly embraced her A-cup status in a 2021 Weekly Playboy interview. This made her fans love her even more.
There’s a whole community of “chippai” (flat chest) enthusiasts in Japan, and Umi has become something of their queen. In a sea of kyonyu megastars, she offers something different: a slender, beautifully proportioned body with an amazing energy. This makes her a lot more relatable to many JAV fans, who wouldn’t know what to do if an L-cup girl like Momoka Kagura showed up on their doorstep.
Because when you hug a flat-chested girl, you’re close to her heart.
Why should your next ero toy purchase be the Ichika Matsumoto official Meiki onahole? Read our review here!
Let’s Check Out Umi Yatsugake’s New Photobook
The photobook is great, giving us 80 delightful pages of the actress showing her body to us in various poses. Getting sexy in and around a pool. Letting us get a view of her cute flat butt. Showing off her small breasts, which feature perfectly-shaped nipples.
Enjoy the scans below!








Thanks for reading this post about Umi Yatsugake’s gorgeous new photobook. It’s in stock here, and you can check out all her JAV DVDs and Blu-rays here!
Let’s Chat
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Great news! J-List started a huge sale on all anime JAV and hentai DVDs and Blu-rays through April 27th. Get an automatic 18% when you browse all of our JAV, hentai, and other media. The sale also covers all Nintendo Switch games! Start browsing here!
















