Recaps

Yechen defeated Kaguya’s resistance, returned with her, and oversaw the Gods Alliance’s disciple exams as Naruto and Hinata trained for their final match. After Hinata became champion, Yechen left the Shinobi World with Tsunade and Ito Miyuki, arriving in One Piece’s East Blue and forming an adventurer group.

• Yechen shattered the collapsing dimension, sent Hashirama Senju, Madara Uchiha, and the Three Great Sages through a passage, then returned with Kaguya to the Valley of the End.
• Kaguya moved to Konoha and trained Hinata, while Yechen prepared the Gods Alliance’s inner disciple exams and arranged for Naruto to receive a tailed beast factor.
• Hinata defeated Sasuke in the exams, and Madara offered to train Sasuke and gave him a Dragon Vein Blood Crystal Fruit.
• Kaguya trained Hinata’s sage body as Yechen trained Naruto, and Hinata defeated Naruto in the final match before winning the Ninja Youth King title.
• Yechen appointed the Gods Alliance’s council of elders and announced he would travel to other worlds, but Tsunade insisted on joining him and Ito Miyuki.
• Yechen, Tsunade, and Ito Miyuki entered the Chaos Vortex and landed aboard a pirate ship in One Piece’s world, where Yechen learned they were thirteen years after Roger’s execution.
• The trio reached Loguetown, sailed toward the Sea Restaurant, and met Julies, whom Yechen advised to learn Haki before they continued on their way.
• At the Sea Restaurant, Tsunade named their party the Thousand Night Snow Adventurer Group and became its captain, while Yechen asked Sanji to arrange a meal from him and Zeff.

Yechen and his companions defeated Habbit and Habid, then uncovered an ancient Haki and swordsmanship archive on Black Crystal Rock Island. After Yechen trained for a year and returned to the Shinobi World, the group set out again and clashed with Vice Admiral Onigumo.

• Yechen and his companions attended Toto Island’s auction, where he bought gifts for Tsunade and Ito Miyuki and won a Haki training method.
• Habbit and the Rampaging Lion Pirates confronted Yechen at the docks, but Yechen killed Habbit and the group routed the forces gathered against them.
• Saint Gabriel Ferdinand recruited Yechen to help kill Habid, and Tsunade defeated Habid after learning he had killed Habbit’s brother.
• Yechen, Tsunade, and Ito Miyuki traveled to Black Crystal Rock Island, where Little Piggy led them to ancient ruins and Yechen found a Stone Tablet.
• Yechen opened the ruins beneath the artificial volcano, and the group discovered texts on Haki training and a great swordsman’s insights.
• Yechen trained for a year and created Imperial Thunder: World-Splitting-Godslayer before returning to the Shinobi World with Tsunade, Ito Miyuki, and Little Piggy.
• Yechen and his companions later sailed away again, but Vice Admiral Onigumo’s marines attacked their ship, and Ito Miyuki wounded Onigumo in their fight.