Here is the full list of all 55 花妖物语/Flower girl achievements.
Perfect pass story of violet A
Daughter's gift 1000
Daughter's beauty value is 1000
Daughter's health value is 1000
Raising a daughter
Defeat the king of datura
Defeat the king of violet
Defeat the king of tulips
Defeat the king of rose
Defeat the king of sakura
Perfect pass story of datura A
Story of datura A
Perfect pass story of datura B
Story of datura B
Story of violet A
Story of violet B
Perfect pass story of violet B
Story of tulips A
Perfect pass story of tulips A
Perfect pass story of tulips B
Story of tulips B
Story of rose A
Perfect pass story of rose A
Perfect pass story of rose B
Story of rose B
Story of sakuraA
Perfect pass story of sakura A
Perfect pass story of sakura B
Story of sakura B
Defeat the king of clover
Perfect pass story of clover A
Story of clover A
Perfect pass story of clover B
Story of clover B
Pass all levels in difficult mode