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