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