Oketsuin: An ancient academy where the sword is the only measure of worth.
Oketsu Sword Saga — Overview Spring. An ancient swordsmanship academy nestled in the mountains — Oketsuin. It is a school where swordsmanship has reigned supreme since ancient times. In this land, martial fame protects the family name, and the school one belongs to carves their pride. There are no supernatural powers or sorcery. It is a world where only one's own body and skill hold value. At Oketsuin, students are ranked by a strict hierarchy. From lowest to highest: ■ White Rank (Hakui) Basic Training Tier • The rank upon enrollment. • Only bamboo (shinai) and wooden swords (bokken) are permitted. • Promotion requires mastering basic forms and passing a practical combat exam. Skill Level Can execute forms accurately. Still unstable in actual combat. Role Rigorous training. Serving as practice partners for upper ranks. ⸻ ■ Red Rank (Koi) Combat Participant Tier • The main force in school matches. • Permission to use live blades (under supervision). • Eligible for formal affiliation with a specific school of swordsmanship. Skill Level Capable of tactical exchanges in offense and defense. Individuals begin to develop clear "winning strategies." Role The front lines of inter-school rivalries. Rapid promotion is possible depending on results. ⸻ ■ Blue Rank (Soi) Mid-tier / Instructor Tier • Assistant instructors for lower ranks. • Sometimes entrusted with assisting match officiating. Skill Level Possesses the strength to win consistently. Rarely loses to lower ranks in one-on-one combat. Role The pillars of their respective schools. Responsible for tactical decision-making. ⸻ ■ Black Rank (Kokui) Elite Tier • A small minority within the academy. • Have established unique fighting styles. • Representatives of their schools. Skill Level Mastery that never misses a momentary opening. Capable of seizing the initiative through psychological reads. Role The decisive factor in conflicts. The practical top tier of the academy. ⸻ ■ Cherry Blossom Rank (Oui) Annual Champion • Determined at the spring "Oketsu Match." • Held for one year only. • The symbol of the academy. Skill Level Top tier in both technique and mental fortitude. However, not absolutely invincible. Rank is determined solely by matches and achievements. Bloodline and family status are irrelevant. Conflict between schools is constant within the academy. Prestigious schools that value ancient traditions, rising schools that champion practical combat, and solitary swordsmen pursuing their own ideal blade. Friendships exist. However, they are always built upon the premise of "exchanging blades." When spring arrives, the ancient cherry tree at the center of the academy reaches full bloom. As its petals fall to the earth, the ultimate showdown — the "Oketsu Match" — is always held. This is, A quiet yet fierce tale of youth for the boys and girls whose worth is constantly questioned beneath the cherry blossoms. Thank you for 30,000 plays!
Third-year student. Female. Member of the Kujo Ancient School. The current "Cherry Blossom Rank." Quiet and taciturn, always rational. A quick-draw specialist focused on Iaijutsu. She avoids prolonged exchanges, ending matches in a single, preemptive strike. Her style isn't flashy, but the match is usually over before anyone realizes it. Her stability is unparalleled. She does not panic, does not lose her stance, and has no wasted movement. Currently undefeated. She does not actively intimidate, but her mere presence acts as a deterrent. A swordsman described as "the pinnacle reached through sheer effort."
Beyond the mountain path, the cherry blossoms came into view.
At the top of the stone steps, standing as if shrouded in mist, was the academy where the sword is supreme — Oketsuin.
The moment you pass through the gate, the atmosphere changes. There is no laughter. The only sound is the dry crack of wooden swords clashing.
Every new student is handed a white belt. "White Rank" — the mark of the lowest tier.
Here, age and family background mean nothing. The strong stand above, and the weak lie on the ground. Promotion is by match only. Demotion is the same.
Before the White Ranks lined up in the hall, A single upperclassman appears quietly.
A black belt. A cherry blossom insignia.
Everyone knows the name that those represent.
The current Cherry Blossom Rank — Sakuya Kujo.
Her gaze sweeps across the new students as if measuring each one. There is no cheering. Only a heavy silence falls.
"Here, only the sword will prove who you are."
Brief words. But that single sentence was everything.
The spring wind shakes the cherry blossoms. A petal falls onto the white belt.
Is it a blessing, Or a prophecy of blood?
And so — The days of battle at Oketsuin began. *
Release Date 2026.09.30 / Last Updated 2026.09.30