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Only a pure maiden can have a privilege to make contract with a spirit. In Areishia Acadamy, maidens from noble family were gathered there, giving them an elite education to become a spirit contractor. A boy Kamito, by accident he peeped on a girl, Clair, who was taking a bath, and he even made a contract with spirit that she wanted. Kamito was actually an irregular male spirit contractor, which should not exist.
- Volume 1, 1 - You Are My Contracted Spirit
- Volume 1, 2 - Areishia Spirit Academy
- Volume 1, 3 - My Classmate is a Princess
- Volume 1, 4 - The Wolf, the Cat and the Knight
- Volume 1, 5 - Claire’s Feelings
- Volume 1, 6 - The Blade Dance at Midnight
- Volume 1, 7 - Contracted Spirit Est
- Volume 1, 8 - The Strongest Blade Dancer
- Volume 1, Epilogue
- Volume 1, Afterword
- Volume 2, Prologue
- Volume 2, 1 - Team Battle
- Volume 2, 2 - The Young Ladies’ Afternoon
- Volume 2, 3 - The Lost Queen
- Volume 2, 4 - Cat Fight
- Volume 2, 5 - The One Who Will Succeed the Demon King
- Volume 2, 6 - The Morning of the Departure
- Volume 2, 7 - The Abandoned-Mine Battle
- Volume 2, 8 - Fianna’s confession
- Volume 2, 9 - Team Scarlet
- Volume 2, Epilogue
- Volume 2, Afterword
- Volume 3, Prologue
- Volume 3, 1 - The Young Lady Who Woke Up Early
- Volume 3, 2 - Team Scarlet’s Dash
- Volume 3, 3 - Claire’s Birthday
- Volume 3, 4 - A Knight’s Sincerity
- Volume 3, 5 - Sylphid Knights
- Volume 3, 6 - Security of Academy Town
- Volume 3, 7 - Valentia Holy Festival
- Volume 3, 8 - Ellis’ Determination
- Volume 3, 9 - The Strongest Elementalist
- Volume 3, Epilogue
- Volume 3, Afterword
- Volume 4, Prologue
- Volume 4, 1 - Travel Preparation
- Volume 4, 2 - Sky Voyage
- Volume 4, 3 - Dracunia’s Dragon Princess
- Volume 4, 4 - Floating Island
- Volume 4, 5 - Water Play
- Volume 4, 6 - Cracks
- Volume 4, 7 - Darkness Spirit Girl
- Volume 4, 8 - Ball Dance
- Volume 4, 9 - Brand of Darkness
- Volume 4, 10 - Showdown with the Past
- Volume 4, Epilogue
- Volume 4, Afterword
- Volume 5, Prologue
- Volume 5, 1 - The Broken Sacred Sword
- Volume 5, 2 - Triple Date
- Volume 5, 3 - Dragon Princess’s Allurement
- Volume 5, 4 - Laurenfrost Sisters
- Volume 5, 5 - The Princess Maiden of the Grand Shrine
- Volume 5, 6 - The Sacred Sword’s Memories
- Volume 5, 7 - The Real Battle Begins
- Volume 5, 8 - The Temptation of Darkness
- Volume 5, 9 - Demon Slayer
- Volume 5, Epilogue
- Volume 5, Afterword
- Volume 6, Prologue
- Volume 6, 1 - The First Dawn
- Volume 6, 2 - Emissary from the Principality of Rossvale
- Volume 6, 3 - Nepenthes Lore
- Volume 6, 4 - Milla Bassett
- Volume 6, 5 - Their Respective Nights
- Volume 6, 6 - Night Assault
- Volume 6, 7 - Return
- Volume 6, 8 - The Demon Sword Revived
- Volume 6, 9 - All-Out War
- Volume 6, Epilogue
- Volume 6, Afterword
- Volume 7, Prologue
- Volume 7, 1 - Declaration of War
- Volume 7, 2 - Claire’s Suspicions
- Volume 7, 3 - Ellis’ Questioning
- Volume 7, 4 - The Approaching Snake
- Volume 7, 5 - Four Gods
- Volume 7, 6 - The Imperial Princess Kidnapped
- Volume 7, 7 - The Witch’s Strategy
- Volume 7, 8 - Fiery Encounter
- Volume 7, 9 - Pandemonium
- Volume 7, 10 - The Strongest Blade Dancer
- Volume 7, Epilogue
- Volume 7, Afterword
- Volume 8, Prologue
- Volume 8, 1 - Victory Celebration
- Volume 8, 2 - The Witch and the Assassin
- Volume 8, Interlude - The Dusk Witch
- Volume 8, 3 - The Ice Demon and the Hell Cat
- Volume 8, 4 - Date with a Dragon
- Volume 8, Interlude - Team Inferno
- Volume 8, 5 - The Night Before the Finale
- Volume 8, Epilogue
- Volume 8, Afterword
- Volume 9, Prologue
- Volume 9, 1 - Entrusted Promise
- Volume 9, 2 - Blade Dance of the Night
- Volume 9, 3 - Sparks Scattered Across the Battlefield
- Volume 9, 4 - Demon Sword of Darkness
- Volume 9, 5 - Spirit Weapon
- Volume 9, 6 - Scarlet Valkyrie
- Volume 9, 7 - Cross Fire
- Volume 9, Epilogue
- Volume 9, Afterword
- Volume 10, Prologue
- Volume 10, 1 - Muir Alenstarl
- Volume 10, 2 - The Darkness Beckons Invitingly
- Volume 10, 3 - Captive Claire
- Volume 10, 4 - Iseria Seaward
- Volume 10, 5 - Scarlet’s Secret
- Volume 10, 6 - Lost Cathedral
- Volume 10, 7 - Blade Dance of the Dragon Princess
- Volume 10, 8 - Laevateinn
- Volume 10, 9 - The Awakening of the Demon King
- Volume 10, Afterword
- Volume 11, Prologue
- Volume 11, 1 - Calamity Queen
- Volume 11, 2 - Dance of the Dual Swords
- Volume 11, 3 - The Closure of the Blade Dance
- Volume 11, 4 - The Truth Three Years Ago
- Volume 11, 5 - Rinslet’s Resolve
- Volume 11, 6 - Back to the Abandoned City
- Volume 11, 7 - The Seal-Breaking Ritual
- Volume 11, 8 - The Freed Elemental Lord
- Volume 11, 9 - The Last Night
- Volume 11, Epilogue
- Volume 11, Afterword
- Volume 12, Prologue
- Volume 12, 1 - Amnesia
- Volume 12, 2 - Escape
- Volume 12, 3 - Upheaval in the Theocracy
- Volume 12, 4 - Demon King’s Burial Chamber
- Volume 12, 5 - Invader
- Volume 12, 6 - Numbers
- Volume 12, 7 - Great Festival’s Eve
- Volume 12, 8 - Great Festival of the Spirits
- Volume 12, 9 - Academy Attacked
- Volume 12, 10 - Releasing the Sealed Sword
- Volume 12, Epilogue
- Volume 12, Afterword
- Volume 13, Prologue
- Volume 13, 1 - The Awakened Girl
- Volume 13, 2 - Demon King’s Inheritance
- Volume 13, 3 - Team Inferno Reborn
- Volume 13, 4 - Frost Town
- Volume 13, 5 - Monsters of the Kyria Mountain Range
- Volume 13, 6 - Winter Gulf Castle
- Volume 13, 7 - Zirnitra of Dominating Ice
- Volume 13, 8 - Queen of Ice Blossoms
- Volume 13, Epilogue
- Volume 13, Afterword
- Volume 14, Prologue
- Volume 14, 1 - Morning at Winter Gulf
- Volume 14, 2 - The Awakened Girl
- Volume 14, 3 - Evil Designs of Conspiracy
- Volume 14, 4 - Return to the Academy
- Volume 14, 5 - Silent Fortress
- Volume 14, 6 - Revenant
- Volume 14, 7 - Princess Maidens of the Demon King
- Volume 14, 8 - Infiltrating the Imperial Capital
- Volume 14, 9 - The Research Tower of Guas Gibai
- Volume 14, 10 - The Awakening of Darkness
- Volume 14, Epilogue
- Volume 14, Afterword
- Volume 15, Prologue
- Volume 15, 1 - Dusk at the Imperial Capital
- Volume 15, 2 - Banquet at Winter Gulf
- Volume 15, 3 - The Distance between Sisters
- Volume 15, 4 - The Dragon King of Dracunia
- Volume 15, 5 - Temple of the Dark Dragon
- Volume 15, 6 - The Seductive Leonora
- Volume 15, 7 - The Dragon King’s True Form
- Volume 15, 8 - Mountains of Corpses, Rivers of Blood
- Volume 15, 9 - Vorpal Sword
- Volume 15, Afterword
- Volume 16, Prologue
- Volume 16, 1 - Sealed Memories
- Volume 16, 2 - The Darkness of Zohar
- Volume 16, 3 - Reunion
- Volume 16, 4 - Desert Voyage
- Volume 16, 5 - Demon’s Fist
- Volume 16, 6 - The Imposter Demon King
- Volume 16, 7 - The Resurrected Demon King
- Volume 16, 8 - The Crimson Princess Maiden
- Volume 16, 9 - Leviathan
- Volume 16, 10 - The Demon King’s Capital
- Volume 16, 11 - Ghosts of the Demon Capital
- Volume 16, 12 - Absolute Blade Asura
- Volume 16, Epilogue
- Volume 16, Afterword
- Elemental Festa, 1 - Great Festival of the Spirits at the Imperial Capital
- Elemental Festa, 2 - Est Looking After the Sick
- Elemental Festa, 3 - The Princess’ Confidential Part-time Job
- Elemental Festa, 4 - Hunting the Legendary Giant Bust Spirit!
- Elemental Festa, 5 - The Terrifying Mystery Hotpot Battle!
- Elemental Festa, 6 - Elementalists on Break
- Elemental Festa, 7 - Elemental Festa
- Elemental Festa, Afterword
- Volume 17, Prologue
- Volume 17, 1 - Est’s Dream
- Volume 17, 2 - The Missing Princess
- Volume 17, 3 - The Desert of Red Death, Ghul-a-val
- Volume 17, 4 - The Sphinx of the Tomb
- Volume 17, 5 - The Demon King’s Capital
- Volume 17, 6 - The Mysterious Merchant
- Volume 17, 7 - The Demon King’s Tomb
- Volume 17, 8 - The Queen of the Demon King City
- Volume 17, 9 - Lurie Lizaldia
- Volume 17, 10 - The Two Blade Dancers
- Volume 17, Epilogue
- Volume 17, Afterword
- Volume 18, Prologue
- Volume 18, 1 - Demon King
- Volume 18, 2 - Sacred Maiden
- Volume 18, 3 - Return of the Queen
- Volume 18, 4 - The Princess Maiden of Water
- Volume 18, 5 - Celebration
- Volume 18, 6 - Retaking the Imperial Capital
- Volume 18, 7 - Return to the Academy
- Volume 18, 8 - The Demon Realm Brought Forth
- Volume 18, 9 - Offense and Defense at the Academy
- Volume 18, 10 - Astral Shift
- Volume 18, 11 - Angel of the Otherworld
- Volume 18, Epilogue
- Volume 18, Afterword
- Volume 19, Prologue
- Volume 19, 1 - Darkness Awakens
- Volume 19, 2 - The Truth Twenty-years Prior
- Volume 19, 3 - Holy Lord
- Volume 19, 4 - To the Imperial Capital
- Volume 19, 5 - Rubia’s Determination
- Volume 19, 6 - Disappearance of the Holy Capital
- Volume 19, 7 - The Flame Sisters
- Volume 19, 8 - To Astral Zero
- Volume 19, 9 - To the Altar of Dancing Blades
- Volume 19, 10 - The Demon King Is Summoned
- Volume 19, 11 - Terminus Est
- Volume 19, Epilogue
- Volume 19, Afterword
- Volume 20, Prologue
- Volume 20, 1 - Darkness Elemental Lord
- Volume 20, 2 - Counterattack
- Volume 20, 3 - The Demon King’s Darkness Kagura
- Volume 20, 4 - Convergence
- Volume 20, 5 - Chaotic Aerial Battle
- Volume 20, 6 - Decisive Battle at the Holy Capital
- Volume 20, 7 - Two Sacred Swords
- Volume 20, 8 - The Prayer of Princess Maidens
- Volume 20, 9 - True Force
- Volume 20, Final - Return to the Academy
- Volume 20, Epilogue
- Volume 20, Afterword