Here is the full list of all 32 Devil in the Details - there are Uncensored achievements.
Joined the film club.
You just can't seem to give up on the impossible.
Joined the history club.
Returned to your normal, everyday life.
Joined the science club.
Couldn't correctly answer even one of Bri's questions.
Completely messed up your date with Luci.
Chose Luci over her sister.
Returned Bri's strange stones.
Get two detentions in a row.
Joined the literature club.
Joined the pottery club.
Asked for Rinnie's phone number despite being strangers.
Obtained Rinnie's romantic ending.
Joined the sports club.
Obtained Bri's romantic ending.
Obtained Luci's romantic ending.
Became Akame's eternal slave.
Successfully seduced Cheryl.
Became strong enough to transform into an incubus.
Successfully seduced Luci.
Successfully seduced Bri.
Faithfully served your sentence.
You were caught snooping by a teacher.
Failed to please Akame.
Wasted your after school time going to a club meeting.
Joined the swimming club.
Snuck into the locker room.
Sometimes, the truth is better left untold.
Got caught ditching Luci and ruined your relationship.
Not everyone has the charisma to charm ladies.
Ditched Bri and ruined your relationship.