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The Big Sister I Admired Was an Otokonoko ~The Daily Life of Crossdressing Siblings~[1.0] [Frillboy]

March 8, 2026F95

Minase Haru was in love with the the school’s idol Minase Kaoru, who also happened to be his older sister. However, in spite of that, he just couldn’t be honest with himself and regretted it every day.
Due to a certain event he found out his sister was actually his brother, cross dressing.
“But I loved her even though she was my sister!”
After hearing that Kaoru accepts all of Haru’s feelings……..
And the two throw away the boundaries and flirt with each other endlessly.
Where exactly are the siblings going?
To go have sex in cosplay at school of course.
Haru gradually awakes to the joys of traps……

Thread Update: 2026-03-08

Release Date: 2013-12-13

Original Name: 憧れていた姉が男の娘でした～女装姉弟の生活事情～

Aliases: Akogareteita Ane ga Otokonoko Deshita ~Josou Kyoudai no Seikatsu Jijou~

Developer: Frillboy Website

Translator: Ransuko

Censored: Yes

Version: Final

OS: Windows

Language: English (MTL)

Voice: Japanese

Length: 2 – 10 hours