Here is the full list of all 69 Hentai Heroes achievements.
Complete level 17
Complete level 16
Complete level 15
Complete level 14
Complete level 13
Complete level 12
Complete level 11
Complete level 10
Complete level 9
Complete level 8
Complete level 7
Complete level 6
Complete level 5
Complete level 4
Complete level 3
Complete level 2
Complete level 1