Here is the full list of all 72 Zodiac Hentai - there are Hellish Memory achievements.
Complete Aries stage in any difficulty
Get all Aries stars in Casual or harder
Get all Aries stars in Veteran or harder
Get all Aries stars in Hardcore or harder
Get all Aries stars in Lunatic Mode
Complete Taurus stage in any difficulty
Get all Taurus stars in Casual or harder
Get all Taurus stars in Veteran or harder
Get all Taurus stars in Hardcore or harder
Get all Taurus stars in Lunatic Mode
Complete Gemini stage in any difficulty
Get all Gemini stars in Casual or harder
Get all Gemini stars in Veteran or harder
Get all Gemini stars in Hardcore or harder
Get all Gemini stars in Lunatic Mode
Complete Cancer stage in any difficulty
Get all Cancer stars in Casual or harder
Get all Cancer stars in Veteran or harder
Get all Cancer stars in Hardcore or harder
Get all Cancer stars in Lunatic Mode
Complete Leo stage in any difficulty
Get all Leo stars in Casual or harder
Get all Leo stars in Veteran or harder
Get all Leo stars in Hardcore or harder
Get all Leo stars in Lunatic Mode
Complete Virgo stage in any difficulty
Get all Virgo stars in Casual or harder
Get all Virgo stars in Veteran or harder
Get all Virgo stars in Hardcore or harder
Get all Virgo stars in Lunatic Mode
Get 36 stars in Casual or harder
Get 36 stars in Veteran or harder
Get 36 stars in Hardcore or harder
Get 36 stars in Lunatic Mode
Complete Libra stage in any difficulty
Get all Libra stars in Casual or harder
Get all Libra stars in Veteran or harder
Get all Libra stars in Hardcore or harder
Get all Libra stars in Lunatic Mode
Complete Scorpio stage in any difficulty
Get all Scorpio stars in Casual or harder
Get all Scorpio stars in Veteran or harder
Get all Scorpio stars in Hardcore or harder
Get all Scorpio stars in Lunatic Mode
Get 72 stars in Casual or harder
Get 72 stars in Veteran or harder
Get 72 stars in Hardcore or harder
Get 72 stars in Lunatic Mode
Complete Sagittarius stage in any difficulty
Get all Sagittarius stars in Casual or harder
Get all Sagittarius stars in Veteran or harder
Get all Sagittarius stars in Hardcore or harder
Get all Sagittarius stars in Lunatic Mode
Complete Capricorn stage in any difficulty
Get all Capricorn stars in Casual or harder
Get all Capricorn stars in Veteran or harder
Get all Capricorn stars in Hardcore or harder
Get all Capricorn stars in Lunatic Mode
Complete Aquarius stage in any difficulty
Get all Aquarius stars in Casual or harder
Get all Aquarius stars in Veteran or harder
Get all Aquarius stars in Hardcore or harder
Get all Aquarius stars in Lunatic Mode
Complete Pisces stage in any difficulty
Get all Pisces stars in Casual or harder
Get all Pisces stars in Veteran or harder
Get all Pisces stars in Hardcore or harder
Get all Pisces stars in Lunatic Mode
Get 108 stars in Casual or harder
Get 108 stars in Veteran or harder
Get 108 stars in Hardcore or harder
Get 108 stars in Lunatic Mode