Changes

| manga_deck = [[Monarch (series)|Monarch]]

|organization = [[Leo Corporation]]}}

Once Three months before the [[Leo Corporation]] staff detected events of the presence of manga, Shingo was recruited by Reiji to assist in hunting down a rogue Duelist named "[[Yuya Sakaki (manga)|Phantom]]"<ref>{{chapter|Yu-Gi-Oh! ARC-V|4|ref}}</ref> Once the [[Leo Corporation]] staff detected Phantom after he hacked into their systems, designated #1, Shingo with deployed with [[Reiji Akaba Shun Kurosaki (manga)|ReijiShun Kurosaki]] sent Shingo, and [[Sora Shiunin (manga)|Sora Shiunin]]in helicopters to surround him all sides. While given the task to catch Phantom in a pincer hold with Shun, Shingo decided to personally confront Phantom on the rooftop he is on and advised him to turn himself in. But Shingo is shocked when the figure revealed himself to be [[Shun Kurosaki Yuto (manga)|Shun KurosakiYuto]] instead of his intended quarry Yuya Sakaki.<ref>{{chapter|Yu-Gi-Oh! ARC-V|1|ref}}</ref>  Shingo asked Reiji what he should do, receiving new orders to pursue him apprehend Yuto as a possible co-spirator which he takes in helicopterszeal as he sets up an [[Action Duel]] where he overwhelms Yuto's "[[Dark Rebellion Xyz Dragon]]" with his "[[Erebus the Underworld Monarch]]". Reiji ordered #1In was then that Yuya convinces Yuto to let him handle Shingo for him, Shingo, shocked to find his mystery opponent and his quarry are one and #the same.<ref>{{chapter|Yu-Gi-Oh! ARC-V|2, Shun |ref}}</ref> Yuya proceeds to capture use his skills as a [[Dueltainer]] and his "[[Odd-Eyes PhantomDragon]]" to defeat Shingo with ease.<ref>{{chapter|Yu-Gi-Oh! ARC-V|3|ref}}</ref> Following a debriefing with Reiji, further vexed by Sora saying he was not in a pincer attackYuya's league, while #3Shingo proceeded to train on his own.<ref>{{chapter|Yu-Gi-Oh! ARC-V|4|ref}}</ref> When Shingo learned that Shun has acted on his own to duel Yuya, he reluctantly complies to Reiji's order to not interfere.<ref>{{chapter|Yu-Gi-Oh! ARC-V|5|ref}}</ref> During Sora's duel against Yuya, questioning whose side his ally is on before being ordered to observe the match upfold, would capture him from Shingo ends up arguing with Shun over which of them has the skybetter chance of dueling Yuya. <ref>{{chapter|Yu-Gi-Oh! ARC-V|8|ref}}</ref> As they watch the duel unfold, musing if Shun committed such an act before, Shingo soon reached "Phantom" on the top found much amusement over Shun making a complete idiot out of himself when he openly threatened Reiji as a buildingresort of eagerly believing Sora's lies. He jumped from <ref>{{chapter|Yu-Gi-Oh! ARC-V|9|ref}}</ref>  After they arrived to the helicopter damaged Physical Information Company following Yuya's win against Sora, returning to Leo Corp and ordered finding their boss missing, Shingo follows Shun to the excavation site where Reiji was last seen.<ref>{{chapter|Yu-Gi-Oh! ARC-V|14|ref}}</ref> After inspecting the area, the fugitive two are trace Reiji's Duel signal to give the abandoned water treatment plant where Yuya set up because his base of operations. Crossing paths with Yuzu in the process, escaping the collapse of the cave where Yuya and Reiji were dueling, the three attempt to find them for over two weeks. Eventually, Shingo joins Shun in breaking into the now closed Leo Corp building to access the supercomputer and find Reiji.<ref>{{chapter|Yu-Gi-Oh! ARC-V|19|ref}}</ref>{{-}} ==Relationships=====Reiji Akaba===Shingo is shown to respect Reiji, even when his orders are sometimes vexing. But he is a loyal subordinate since he was corneredspent weeks looking for Reiji after he mysteriously disappeared. ===Shun Kurosaki===As duelists recruited by Reiji, initially calling him "Phantom"Shingo has a comedic partnership with the stoic Shun. They get into an argument over who should have a rematch against Yuya first, but then corrected himself - "and Shingo enjoyed Shun being in trouble when he got on Reiji's bad side over jumping to conclusions. But the two of them remotely get along when needed to. ===Yuya Sakaki"===At first, Shingo's relation to Yuya was simply business until he suffered a humiliating loss. He Since then activated his , feeling that he could have won it if he was able to retrieve an [[Duel DiskAction Card]]beyond his reach, saying he would be his opponentShingo expressed wanting a rematch. ===Yuto===Shingo expressed an immediate dislike to Yuto the moment they first met, especially due to the disrespectful first impression that Yuto gave him. HoweverAt the time, he was shocked taking pleasure in dueling him when Reiji gave him permission to, Shingo assumed that Yuto and Yuya were separate partners in crime before learning the two actually cohabit the same body.  ==Deck==Shingo plays a '''[[Monarch (series)|Monarch]] Deck''', which is localized an "Emperor deck" in the manga. {{Manga card list |* Demon Emperor Angmar (manga)* Underworld Emperor Erebus (manga)* Underworld Knight Eidos (manga)* Emperor's Freezing Air (manga)* Dark Advance (manga)* Emperor's Lava Attack (manga)* Reawakening of the Emperor}} ==Duels=={| class="wikitable card-list"|-! scope="Phantomcol" | Opponent(s)! scope="col" | Chapter(s)! scope="col" removed his mask, revealing himself | Outcome|-| [[Yuto (manga)|not to be the Yuto]]/[[Yuya Sakaki (manga)|Yuya Sakaki they were looking for]].<ref name="sc1">{{chapter|| [[Yu-Gi-Oh! ARC-V - Scale 002|2]]-[[Yu-Gi-Oh! ARC-V- Scale 003|13]] || Lose|ref}}</ref>