Rintaro transformed into Blades and tried to subdue to Megid. While Rintaro and Mei explore the city, they both encounter Zooous. Thankfully, Espada intervened and stopped Calibur's attack long enough for the three to escape. However, the two were intercepted by the Dark Swordsman, Kamen Rider Calibur.

After Touma's body was weakened after detransforming, Rintaro warned Touma to be careful when using three Wonder Ride Books together as it could cause a strain to the body even for an experienced swordsman. He would see Touma simultaneously using Needle Hedgehog and Peter Fantasista together with Brave Dragon to defeat the enemy. Rintaro also helped introduced Touma to Ryo Ogami, Tetsuo Daishinji, and Ren Akamichi, each operating as Kamen Riders Buster, Kenzan, and Slash respectively.Дuring an encounter against the Hanzaki Megid, Rintaro would use the Peter Fantasia Wonder Ride Book that was achieved after the Kirigirisu Megid's defeat. He first introduced Touma to Kento Fukamiya, both happened to be forgotten childhood friends and the current Kamen Rider Espada.

Rintaro would later introduce to Touma the other members of the guild. Mei later arrived with a box of Г©clairs, revealing Rintaro's love for sweets. After their victory, Rintaro and Touma congratulated each other for their talents. In Wonder World, Blades fought against the Ari Megid and her army of ants while Saber defeated the Kirigirisu Megid using the Jackun to Domamenoki Wonder Ride Book, although Rintaro was surprised he was able to use two volumes. However, the Kirigirisu Megid appeared to the aid of the Ari Megid, leading for Touma and Rintaro to work together to prevent the town from turning into a book. Chasing after the Ari Megid, Rintaro demonstrated to Touma by transforming into the Water Swordsman, Kamen Rider Blades. Rintaro brought him to the Northern Base branch of the Sword of Logos, where he introduced him to Sophia and explained him about the Kamen Riders. He requested the novelist to hand over Brave Dragon, but Touma refused as he claimed that it was important to him. Rintaro explained to Touma that he is a member of the Sword of Logos, a sanction of swordsmen using the power of the Wonder Ride Books to protect the world. He tracks him down at his bookstore riding a blue lion and asks him to hand over the Seiken Swordriver and Kaenken Rekka. When the Golem Megid was spawned, Rintaro arrived on the scene, only to witnessed Touma Kamiyama, a вЂњHomo SapienвЂќ, transforming into Kamen Rider Saber. When Rintaro was 17, he was briefly trained by Ryo Ogami. Rintaro would then inherit his master's Seiken and Lion Senki Wonder Ride Book, becoming the second Water Swordsman. In his youth, he was trained extensively by Kenshin Nagamine, who would eventually perish during the War of Wonder World by Zooous. Rintaro was born orphaned and raised by the Sword of Logos guild. Rintaro training with his master, Kenshin 2.1 Kamen Rider Saber: The Phoenix Swordsman and the Book of Ruin.443 CometComics 1,324 2,880 Kamen Rider Build v 5.35.14 BETA crimes0n 970 1,827 Kamen Rider Ex-Aid v10.42.14 crimes0n 493 1,891 Kamen Rider Gaim Genesis Flash Belt CometComics 156 194 Kamen Rider Ghost v 7.36.16 BETA crimes0n 345 842 Kamen Rider Mach + Chaser v4.6.4 BETA crimes0n 212 122 Kamen Rider Wizard v3,1 crimes0n 446 115 Kamen Rider Kabuto Soundboard 1. Kamen Rider OOO Flash Miralupa 929 534 Kamen Rider Ghost Soundboard 1.74 CometComics 251 490 Kamen Rider Ex-Aid Flash Belt 1.032 CometComics 1,156 6,747 Kamen Rider Kiva Soundboard 1.1 CometComics 111 31 Kamen Rider Decade v 2.0 crimes0n 401 208 Kamen Rider Ghost Flash Belt 1.44 CometComics 578 2,400 Kamen Rider Drive v 12.28.4 crimes0n 414 437 Kamen Rider Wizard Flash Belt 1.2 CometComics 326 280 Kamen Rider Ex-Aid Soundboard 1.2 CometComics 283 285 Kamen Rider Blade Soundboard CometComics 159 122 Kamen Rider Gaim Soundboard 5.2 CometComics 301 387 Kamen Rider Wizard jsm1523k 111 18 Kingdom Hearts - Kamen Rider World Vitor-Aizen 146 35 Kamen Rider Gaim Flash Belt 5.33 CometComics 840 2,753 Kamen Rider ZI-O Flash Belt.

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