Text taken from the engl Dlsite:

TS Revolver's feminization novel + CG collection with dialogue text!

"I was a man, now I'm a woman getting screwed by my crazy-in-love older sister. Am I pervert for enjoying this?"

* Synopsis *
Hasu was happy to get away from his sister by relocating to Tokyo University.
She was ready and waiting for him, feminized him, and turned him into her
masochist lesbian lover. It all happened on that Christmas eve...
10 promises were made. He would also get creampied. She would enjoy
him whenever she wanted. He could never say "no". The list went on.

Gallery:
Novel: 01-44
HTML exta: 45-49
CG 900x600: 50-88
CG 1800x1200: 89-127

Links:
http://www.dlsite.com/ecchi-eng/work/=/product_id/RE130566.html
http://www.dlsite.com/maniax/work/=/product_id/RJ130566.html

@raflcaptar.
So...this is a yuri?

Base +7

@Centifolia:
Depends on how we define the sexual act between a female and a (forcefully) sexchanged male to female (transwoman).

- If we go by the original sex, it would be a female dominating a male.
- If we go by his... her new assignment it could be considered as lesbian sex.

The synopsis above is taken from the english dlsite where its considered as woman rapes man. So no Yuri-tag, i guess.

Base +18

can't it be both yuri/femdom? I mean, technically his mind is still a man's, but it's also yuri.

Base +6

The English language is conspiring to kill me and probably you through the contrivance of this work of non-art you've uploaded, which it probably had a very large role in killing.

Base +6, Marisa Kirisame -7

so these 127 pages r all about 3 pictures.. wow what a waste of time and storage :D

Base +9, Marisa Kirisame -7, timeclock -7