妹　わたし、どんなことだって…
2003 erogame by Moonstone.

h4. More info

* "Official site":http://www.moon-stone.jp/imouto/i_index.html
* "Getchu":http://www.getchu.com/soft.phtml?id=30260
* "VNDB":http://vndb.org/v465
imouto watashi donna koto datte...