SONE-678 Review: Shino Mayu Seduces with Her Clothed Big Tits

Shino Mayu giving a titty fuck in SONE-678

SONE-678 stars Shino Mayu in a CFNM-themed movie with a focus on clothed titty fucking. I’ve rather liked her since watching her in SONE-634, so it’s nice to see her finally get a full paizuri movie. There are 5 scenes all ending with a titfuck cumshot.

Movie Details

SONE-678 movie cover featuring Shino Mayu
Movie Name透けたり濡れたりポロリしたり!着衣巨乳お姉さんのフワとろJカップ無意識誘惑5シチュエーション

SONE-678 See-through, Wet, And Slipping Out! 5 Situations Where A Clothed Big-breasted Woman’s Soft J-cup Breasts Unconsciously Tempt You
StudioS1 NO.1 STYLE
Release Date8th April 2025
Pinching Finish
(挟射回数)
5 Titfuck Cumshots (5 パイズリ挟射)

Movie Review

Scene 1 – Office Sex (1 TF Cum)

Shino Mayu getting her tits groped in the office

The first scene takes place in the office where Mayu’s colleague gets tempted by her huge tits and starts groping them. He fucks her cleavage for abit through an opening in her shirt and later through her bra. After some intercourse, he ends the scene by titty fucking her to completion.

Shino Mayu getting a titfuck cumshot

This scene had the shortest titty fucking out of them, which is a shame because the technique was pretty good. It was mostly hands-free and his cock was wedged firmly between her tits. And the money shot was decent too.

Shino Mayu giving a clothed titty fuck
Performance (演技)
Eroticism (エロ度)
Pinching Technique (挟むテク)
Finish (射精度)
Average

Scene 2 – No Bra Titty Fuck (1 TF Cum)

Shino Mayu showing off her huge sweaty tits

In Scene 2 Mayu has a guy repairing the air-conditioning at her home while she’s wearing a skimpy camisole with no bra underneath. The guy gets tempted by her sweaty cleavage and starts groping her tits and then asks her for a titty fuck, which she obliges until he cums between them.

Shino Mayu getting a titfuck cumshot

I liked everything about this except the fact that the penis literally disappeared between her big tits. Credit to Mayu-chan, she actually tried to make it work at the start by trying to shift her clothing and moving into awkward positions. But poor guy stood no chance against those weapons of mass destruction so I’ll still call it a win. I’m becoming more of a fan of hers with just how soft her tits looked during the paizuri.

Shino Mayu giving a clothed titty fuck
Performance (演技)
Eroticism (エロ度)
Pinching Technique (挟むテク)
Finish (射精度)
Average

Scene 3 – Yoga Sex (1 TF Cum)

Shino Mayu playing a yoga instructor

Mayu plays a yoga instructor in Scene 3, again tempting her student with her sweaty cleavage. She gets some oil to shine up those beautiful mammaries as he fucks her and finally straddles her for a titfuck cumshot.

Shino Mayu getting a titfuck cumshot

Definitely the weakest one of the bunch, and through no fault of Mayu-chan’s. The paizuri in the first half looked great, but the ending was ruined with that pathetic excuse of a cumshot.

Shino Mayu giving a titty fuck
Performance (演技)
Eroticism (エロ度)
Pinching Technique (挟むテク)
Finish (射精度)
Average

Scene 4 – Schoolgirl Bloomer Titty Fuck (1 TF Cum)

Shino Mayu in bloomers getting her tits groped

In Scene 4 Mayu plays a schoolgirl in a sports bloomer that got wet from the rain. She meets the school principal who confesses his obsession for her tits, which he then gets to caress and fuck to completion.

Shino Mayu getting a titfuck cumshot

This one is my favourite finish. For me, the less clothes the better, and for this one we got the full unobstructed view of her big tits at the end. It’s also helped by the decent cumshot with a healthy spurt at the start. The clothed paizuri before that is still plenty erotic though, and at about 8 minutes total, this is some good fap content.

Shino Mayu giving a titty fuck in SONE-678
Performance (演技)
Eroticism (エロ度)
Pinching Technique (挟むテク)
Finish (射精度)
Average

Scene 5 – SNS No Bra Sex (1 TF Cum)

Shino Mayu in a social media video

For the final scene, Mayu is shooting a social media clip advertising her new bra. After that her co-star goes horny mode and removes her bra underneath her vest. They fuck around for awhile before he straddles her covered-up tits and fucks them to completion.

Shino Mayu getting a titfuck cumshot

It’s not my preferred cup of tea as mentioned above, but I can definitely see the appeal as it is objectively some decent titty fucking, with a passable cumshot too. It also helped a ton that Mayu-chan for once looked like she was a willing participant and enjoying herself here.

Shino Mayu giving a clothed titty fuck
Performance (演技)
Eroticism (エロ度)
Pinching Technique (挟むテク)
Finish (射精度)
Average

Summary

Overall while I would have preferred this movie without the clothed theme, this still gets a hearty recommendation from me for being Shino Mayu’s first titty fuck movie. And 3 out of 5 passable titfuck cumshots is honestly pretty darn good for S1 standards, with Scene 4 being the standout for my fellow maniacs to jerkoff to.

I’m becoming a bigger fan of Mayu-chan with each new release. Acting-wise this wasn’t too great as she’s mostly playing the submissive party. In fact that applies for most of her movies so far, so hopefully she gets a chance to show off a different side soon.

SONE-678 movie cover featuring Shino Mayu
Overall Enjoyment
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Actress Information

Potrait photo of Shino Mayu from SIVR-396
Image courtesy/copyright of S1 NO.1 STYLE
Actress Name篠真有 (Shino Mayu)
Date of Birth30th April 2000
B-W-H
(Cup Size)
100cm-55cm-90cm (J)
Related TagsJapanese, Natural Tits, Huge Tits (爆乳), Skinny (スレンダー)

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