Here is the full list of all 69 Waifu Fight Dango Style achievements.
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 1 fight with Kagami.
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 1 fight with Midori.
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 a Potion.
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
Score a CRITICAL HIT!
Unlock Yuri.
Defeat Kuroi in Nightmare Mode
Earn a Perfect.
Earn a S-Rank.
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.