Here is the full list of all 37 Sakura Dungeon achievements.
Find every outfit in the game.
Defeat Izanami.
Defeat Hiriko.
Defeat the dungeon lord.
Discover the fox girl's ship.
Recruit the Spirit Guardian into your party.
Win your second battle against the succubus.
Recruit the Reaper Twins into your party.
Defeat Yomi.
Step into the Abyss.
Defeat the reaper twins.
Recruit Anubis into your party.
Make the observatory operational again.
Acquire the Dual-Soul ability for Yomi.
Recruit Captain Bonny into your party.
Recruit the Ryuuou into your party.
Acquire the warp gem.
Recruit the Sand Sentinel into your party.
Give Anubis an offering of milk.
Reassemble the state of Fortuna.
Recruit the chocolate mimic into your party.
Recruit the Queen Bee into your party.
Collect 10 outfits for your wardrobe.
Avoid an assassination attempt.
Defeat 1,000 enemies.
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.