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