Not a spectator. Not a customer. A character. Kai trains, Kai grows — and you're on the same 90-day arc, the same chapter, the same day. Every workout writes the next panel.
Download on theApp Store7-day free trial · iPhone · Start Chapter 1 today.
Discipline doesn't come from a leaderboard. It comes from caring enough to show up tomorrow. So we gave you a reason: a character whose arc only moves when yours does.
Breakups, disrespect, the mirror. Kai meets the same walls you do — and channels them into the work instead of the spiral.
Finish a workout, unlock the next manga panel. Kai's physique and his story advance one beat at a time — paced to your real progress.
No endless grind. A finite, dramatic transformation with a beginning, a middle, and a version of you they won't recognize.
Kai starts where you start and moves through the story on the exact days you do. Same chapter, same day, same fight.




Open the app and Kai's story is waiting on the same day as yours.

The manga panel for your current day — "Something had to change. Today, it did." Read the next page by earning it.
A bodyweight session tuned to your level, worth +200 XP. Finish it to advance the chapter.
A rotating side-quest — 100 lunges, a plank hold — to keep the streak alive on rest days.
Every level evolves Kai's physique alongside yours. The progress bar is the story bar.
Bodyweight-first programming tuned to your level and schedule from a quick calibration test. No gym, no guesswork.
Original panels across 12 chapters, released one per workout. The only way to read the next page is to earn it.
200 XP a session, levels that evolve Kai's physique, and a streak you'll fight to protect.
A rotating side-quest every day — 100 push-ups, a 3-minute plank — to keep the streak alive on rest days.
Chapter 1 is open. Take Kai's hand and write the first panel today.
Download on theApp Store7-day free trial, then $4.99/month. Cancel anytime.