You've been chosen by the system will you accept?
Start your journey and level up beyond what anyone has reached
You start your journey at the F rank
Will you be able to reach the highest X rank?
Or even go beyond it
You already have designated workouts and you're also able to add more workouts to your routine, and don't forget to finish your daily quests as it also helps increase your Rank.
Don't hesitate and accept the invite and start your journey and reach the highest possible rank