About

Train like the hero of your story

Nobiru exists to make consistent home training feel like leveling up in your favorite anime — health-first, inclusive, and built to last.

Health first, always

Progression is tuned for sustainable growth, not extreme training. Recovery and readiness gate everything.

Honest progress

XP and stats reflect what you actually did. Deterministic math you can trust — no inflated vanity numbers.

Safe by design

An AI coach with guardrails, never recommending training through pain, and inclusive copy for every body.

Genuinely fun

The RPG loop — quests, bosses, ranks, share cards — exists to keep you showing up long enough to change.

伸びる — to grow, to stretch, to extend