Is it a lie to have traveled through time? No cheating.
Is it a lie to travel through time and become the Invincible of the East? No cheating.
Is it a lie to travel through time and become the Invincible Dongfang who hasn't practiced the Sunflower Book yet? Not even a lie.
The trick is that after he made up his mind to practice the Sunflower Manual and took action, he discovered that what he was wearing was actually Tong Ren Wen!
Conception: