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