Shinobi No Ittoki (dub) Episode: 5
As if on cue, a flurry of shuriken whistled through the air. Ittoki reacted by instinct, his Iga-built suit whirring to life, enhancing his speed just enough to deflect the steel. Out of the darkness stepped Haruka, a Koga student whose eyes held a fanatical gleam.
It seems you are looking for a story inspired by of the English dub of Shinobi no Ittoki . In this episode, titled "Cycle of Fate," the tension between the Iga and Koga clans reaches a boiling point during the Ninja Academy exams. Shinobi no Ittoki (Dub) Episode 5
Kousetsu watched from the trees, a flicker of something—perhaps hope—crossing her features. The cycle hadn't broken yet, but for one night, in the heart of a simulated forest, the wheel had stopped turning. As if on cue, a flurry of shuriken whistled through the air
"The Iga heir," Haruka sneered, spinning a kunai between his fingers. "A boy playing dress-up. Do you think that suit makes you a ninja? You’re just a relic of a dying clan." It seems you are looking for a story
The battle that followed was a blur of high-tech gadgetry and ancient martial arts. Haruka was faster, his movements honed by years of brutal Koga conditioning. But Ittoki had something the Koga lacked: a reason to live beyond the kill. He didn't want to conquer; he wanted to protect the small, quiet life he had left behind.
Kousetsu finally turned, her mask reflecting the dim light of the artificial moon. "It’s a cycle, Ittoki. A wheel that keeps turning. We are just the spokes."