A girl three years younger than Takamaru, and the daughter of his landlord and the head of the dojo he attends, Seigen Shihoudou. Actually a member of the Crescent Moons, she didn't initially participate in combat, but certain circumstances led to her becoming a Blade and throwing herself into a life of sex and fighting.
Though well practiced in martial arts, her personality is that of a normal girl, and she particularly loves anything sweet. She's hit on around town frequently enough to be aware of how cute she is, but still has feelings of inferiority when put next to Haruka's body and personality. Albeit cold at times, she's a caring girl at heart and has positive feelings for Takamaru.
A Blade, the title given to the Crescent Moons' strongest kunoichis, who chased after Noroi from the past into the future. For Takamaru's protection, and to study the current world herself, she began to attend Jippou Academy. Most of
the time, she's just a normal girl observing modern society and trying to fit in. Despite being in the same year of school as Takamaru, she's actually older than he is.
Her talent is so great that she achieved the rank of Blade far faster than most, but she could never bring herself to cross the line of giving her past master her chastity, leaving her not truly a Blade at the time she arrived in the modern age.
While normally a kind, warm, big-hearted girl, she becomes an elegant warrior in battle.
A Blade of the Crescent Moons, as well as Haruka's close friend and senior kunoichi. During the effort to stop the Noroi Faction from traveling to the future, she lost to one of their leaders, Ittou Hagane, after which she was imprisoned in Castle Infinity.
The Tetra Sealer known as the Red Guardian. Unlike the other Tetra Sealers, she's driven purely by ego, and her self-obsession itself gives her great power.
The Tetra Sealer known as the Blue Guardian. The newest member of the Tetra Sealers, he strongly opposes anyone who claims to fight for justice and sees the Blades as his rivals.
One of the Tetra Sealers, the four leaders of the Noroi Faction, as well as its founder. His title is the Black Guardian. A blind monk, his eyes produce a constant stream of bloody tears. He founded the Noroi Faction to achieve True Eternity, his ideal for the world in which peace is created through fear.
The Tetra Sealer swordsman known as the White Guardian. Albeit ranked as the Noroi Faction's second-in-command, he's rumored to be its strongest member. When Haruka and Subaru tried to stop the time leap in the past, he severed one of Subaru's arms, displayed his overwhelming superiority. His chosen name itself means "Sword", as he sees himself as the sword cleaving its way to his ideals.
Morning and Afternoon Phase Screen
Prepare for battle in the Morning and Afternoon by performing Dragon Synergy, Raising Libido, Resting, Training, Searching for Enemies or checking up on your characters' skills.
Perform Dragon Synergy (Sex) with your heroine of choice. If it's successful, the heroine will recover a certain amount of SP and receive a specified bonus. If it fails, the difficulty of the attempted Dragon Synergy will decrease by the amount you rolled.
Expend SP to learn skills. A character can only learn up to three skills. Choose wisely.
Check the status of your individual characters and party.
Night Phase Screen
The night phase is primairly focused on performing activities to stop the Noroi Faction's evildoing around town.
Fight Kainin or genins that you've previously discovered with the Enemy Search command. The blue markers indicate genins you can fight, while the red markers indicated Kainin or even stronger enemies. The grey markers are undiscovered enemies and can't be fought.
Winning a fight will restore your Peace Points. Losing, however, will result in the heroine being punished. Specifically, losing to a Kainin will result in an H-scene. Not only that, but losing to the same Kainin a second time will give you a new, even more extreme H-scene.
As the game progresses, Tetra Castles being defended by the Tetra Sealers appear. The only way to reach the enemy base, Castle Infinity, is to bring them all down.
Each floor of the castle has multiple routes to pick, containing enemies, traps, and treasures, at the end of which is a boss. On the top floor of each castle is a Tetra Sealer, enemies who surpass genins and even Kainin. Be prepared!