Sakura Teaching Boruto Hforgods

She is the last of the “Legendary Three” (Team 7) still physically active (Hinata is retired; Kakashi is older). Sakura teaching Boruto would:

"You've got potential," she said. "Hforgods requires compassion as much as technique. You're using it not to overpower, but to mend. Remember that." sakura teaching boruto hforgods

"Sakura, with a serious expression, stood tall in front of Boruto. 'Alright, listen carefully, I'm only going to teach you this once. The For God's technique, also known as 'Kanzuki no Jutsu', is a powerful and complex skill that requires immense chakra control and precision.' She is the last of the “Legendary Three”

"You're leaking chakra before you hit," Sakura noted, walking behind him to adjust his stance. "You’re trying to be loud. Be quiet instead. Focus on the very tip of your knuckles. Don't think about the rock; think about the space behind the rock." You're using it not to overpower, but to mend

Only one person has mastered all three: Sakura Haruno.