Here is the full list of all 40 7 Sexy Sins achievements.
Clear any stage 2 or more times.
Clear Gluttony stage.
Get 100% destroy rate on Gluttony stage.
Get 5 stars rank on Greed stage.
Clear 2 or more stages with 100% destroy rate.
Clear Greed stage.
Get 100% destroy rate on Greed stage.
Use ultimate skill.
See the credits.
Get 5 stars rank on Sloth stage.
Clear Sloth stage.
Get 100% destroy rate on Sloth stage.
Don't let any enemy escape on Sloth stage.
Upgrade bullet to LV3.
Upgrade bullet to LV2.
Break a piece of cloth.
Start your first stage.
Clear 3 or more stages without getting hit.
Don't let any enemy escape on Pride stage.
Clear Envy stage.
Clear Lust stage.
Clear Pride stage.
Clear Wrath stage.
Get 100% destroy rate on Envy stage.
Get 100% destroy rate on Lust stage.
Get 100% destroy rate on Pride stage.
Get 100% destroy rate on Wrath stage.
Get 5 stars rank on Gluttony stage.
Get 5 stars rank on Envy stage.
Get 5 stars rank on Lust stage.
Get 5 stars rank on Pride stage.
Get 5 stars rank on Wrath stage.
Don't let any enemy escape on Greed stage.
Don't let any enemy escape on Gluttony stage.
Don't let any enemy escape on Envy stage.
Don't let any enemy escape on Lust stage.
Don't let any enemy escape on Wrath stage.
Clear a stage without destroying any piece of cloth.
Play every stage.