IF you are looking for a Homebrew application to help you patch your ISO , Then this cool well done ISO Tool is the perfect homebrew application for you.

Quote:Changelog

[NEW] (Installation media) Koihime Musou 蜀編 Fixed wrong ID

Koihime Musou 蜀編 of Fixed ID was wrong
Other changes are not so if you do not use the software update is not necessary

In 蜀編 1.977 Disc2 was only ready to install, also had a different location
The MS / PSP/SAVEDATA/ULJM05695INST2 because they’ve made ​​a folder named, Disc2 was going to install if you please delete

DOWNLOAD
ISO Tool 1.978 [Signed/Unsigned]

Source

Tnx!

No Problem. Im fixing the download link though.