Here is the full list of all 69 Waifu Fight Dango Style achievements.
Win 50 fights with Kagami.
Win 25 fights with Kagami.
Win 50 fights with Yuri.
Win 25 fights with Yuri.
Win 25 fights with Akane.
Complete Yume's Story.
Win 1 fight with Yume.
Complete Kasumi's Story.
Win 1 fight with Kasumi.
Earn Level 25 with Midori.
Win 50 fights with Midori.
Win 25 fights with Midori.
Win 1 fight with Midori.
Complete Jessica's Story.
Win 1 fight with Kagami.
Complete Yuri's Story.
Win 1 fight with Akane.
Win 1 fight with Yuri.
Win 1 fight with Jessica.
Consume 100 Potions.
Win 1 fight with Iromi.
Complete Haruka's Story.
Consume 10 Potions.
Win 1 fight with Haruka.
Consume a Potion.
Complete Akane's Story.
Complete Kagami's Story.
Complete Iromi's Story.
Complete Midori's Story.
Equip a cosmetic.
Beat Kuroi on Hard-Mode.
Earn a boob score of 500 or more during a match.
Win a MEGA Jackpot.
Find a hidden mini-game!
Earn a COMBO X 100
Earn 100% Love with a Waifu!
Win any amount once in the casino.
Win a match within 20 seconds or less.
Use TAUNT 100 times.
Eat a Pocky Stick.
Use POW 100 times.
Earn a COMBO X 50
Earn a S-Rank.
Earn a Perfect.
Score a CRITICAL HIT!
Win 25 fights with Iromi.
Win 50 fights with Iromi.
Earn level 25 with Iromi.
Win 25 fights with Jessica.
Win 50 fights with Jessica.
Earn level 25 with Jessica.
Win 25 fights with Yume.
Win 50 fights with Yume.
Earn Level 25 with Yume.
Earn Level 25 with Kagami.
Win 25 fights with Kasumi.
Win 50 fights with Kasumi.
Earn Level 25 with Kasumi.
Win 25 fights with Haruka.
Win 50 fights with Haruka.
Earn Level 25 with Haruka.
Win 50 fights with Akane.
Earn Level 25 with Akane.
Earn Level 25 with Yuri.
Win a local-multiplayer fight.
Unlock Yuri.
Defeat Kuroi in Nightmare Mode
Win a match during sudden death!
Win a match with 5% or less HP.