how to install : https://www.youtube.com/watch?v=_QeU15Evg8A
main file 7.2 Gb :
part 1 : http://www.mediafire.com/file/a40vp3mivio32yo/Koikatsu_Party.part1.rar/file
part 2 : http://www.mediafire.com/file/gkt4652vwyidbnq/Koikatsu_Party.part2.rar/file
part 3 : http://www.mediafire.com/file/4fzumvvewlst3na/Koikatsu_Party.part3.rar/file
part 4 : http://www.mediafire.com/file/9yxlzbtygoep99e/Koikatsu_Party.part4.rar/file
patch 3 Gb :
part 1 : http://www.mediafire.com/file/vy96uuq5we5jlm1/Kokiatsu_patch_v2.7.1.part1.rar/file
part 2 : http://www.mediafire.com/file/nkif147xp6rv4y4/Kokiatsu_patch_v2.7.1.part2.rar/file
part 3 : http://www.mediafire.com/file/gus4u4bqhas85m5/Kokiatsu_patch_v2.7.1.part3.rar/file
part 4 : http://www.mediafire.com/file/da1khp09qws5lux/Kokiatsu_patch_v2.7.1.part4.rar/file