In the third year after the Boundary Guardian's Heart Lock sank into Omni-Dimension Land, as the first spring breeze swept over the newly built eaves of Konoha, the threads of light at Mitsuki's fingertips suddenly trembled softly.
He was sitting beneath the flowering tree in the courtyard, weaving the newly bloomed white petals into a wreath, while the omni-dimensional Heart Core formed from the Gap Net simultaneously received countless tiny yet burning thoughts. They were not cries for help, not panic, but a kind of spontaneous call that had never existed before.
"Boruto, Sarada, listen." Mitsuki raised his hand, and pale golden threads of light flowed into the air like a stream. "The heart of the omni-dimensions is singing together."
Boruto set down the wooden kite he had been carving for the children, his Jōgan opening slightly. Without deliberately probing, he could hear the heartbeat spread throughout the omni-dimensions. In Leaf Academy, youths held carving knives as they added new patterns to the trees they had planted themselves; in the Sunagakure oasis, the Maiden of Wind poured Chakra into the dried sand layer, awakening sleeping grass shoots; in the deep sea of the Mist Village, the Children of the Sea formed a circle, weaving protective Light Patterns out of Chakra and currents; the halos of the Glaze Clan, the glimmers of the Stardust Clan, and the faint radiance of the Water-Drop Beings all rose and fell at the same frequency, like a gentle sea holding up the entire omni-dimensions.
Sarada closed the storybook she had just finished organizing, warmth rippling in her purple-gold eyes. "This is the Tide of Heart Sounds, the power awakened by the Boundary Guardian's Heart Lock, belonging to the omni-dimensions themselves. Before, we were the ones leading them forward. Now, they've already learned to take steps