Here is the full list of all 37 Sakura Dungeon achievements.
Recruit the Queen Bee into your party.
Find every outfit in the game.
Defeat Izanami.
Reassemble the state of Fortuna.
Recruit the Ryuuou into your party.
Recruit the chocolate mimic into your party.
Defeat Hiriko.
Discover the fox girl's ship.
Make the observatory operational again.
Defeat the dungeon lord.
Recruit the Spirit Guardian into your party.
Recruit Anubis into your party.
Win your second battle against the succubus.
Defeat Yomi.
Recruit the Reaper Twins into your party.
Step into the Abyss.
Defeat the reaper twins.
Recruit the Sand Sentinel into your party.
Acquire the warp gem.
Recruit Captain Bonny into your party.
Acquire the Dual-Soul ability for Yomi.
Defeat 1,000 enemies.
Give Anubis an offering of milk.
Collect 10 outfits for your wardrobe.
Avoid an assassination attempt.
Recruit Maeve into your party.
Find all of the swimming wear outfits.
Acquire the Astral Blade skill for Ceri.
Use Yomi in your party.
Drive away the warrior from the shop.
Recruit Sylvi into your party.
Defeat the first floor guardian.
Clear the first floor of the dungeon.
Defeat 2,500 enemies.
Defeat 5,000 enemies.
Win the game on hard mode.
Win the game on abyssal mode.