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