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