There were quite a few members of the Hyuga Clan, but not every one of them was capable of awakening the Byakugan.
To awaken the bloodline within one's body and activate the Byakugan depended on the intensity of one's training and the purity of one's Byakugan.
And using the Gentle Fist did not necessarily require the Byakugan.
During the use of the Gentle Fist, the Byakugan served as an aid. In truth, the strength of the Gentle Fist primarily depended on familiarity with Tenketsu and meridians, Chakra control, and the techniques used to exert force.
The inside of the human body was extremely complex, with all kinds of meridians crisscrossing one another and too many Tenketsu to count.
Without the Byakugan, one could still block Chakra and strike Tenketsu through naked-eye observation and familiarity with the human body, but it was very difficult without sufficient talent and hard work.
And even if one could accomplish it, most Hyuga clan members could only use an incomplete form of the Gentle Fist and were unable to unleash its full power.
The existence of the Byakugan was the Hyuga Clan's shortcut to mastering the Gentle Fist.
Originally, under Ryosuke's one-on-one guidance, Hinata had already become extremely familiar with the body's meridians and Tenketsu. She could use an incomplete Gentle Fist without relying on the Byakugan.
But now... she had awakened her bloodline.
Learning that Hinata had activated the Byakugan during the time he had been away, Ryosuke felt greatly gratified. However, he still had no intention of going easy on her.
With his hands behind his back the entire time, he nimbly evaded Hinata's attacks, occasionally offering a word or two of guidance.
"After activating the Byakugan, your perception has improved, and your speed and strength have increased as well. But your desire