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* [[Poisoning Blocker]]
* [[RAM Clouder (anime)|RAM Clouder]]
* [[Sea Archiver (anime)|Sea Archiver]]
* [[SIMM Tablir (later anime)|SIMM Tablir]]
* [[Stack Reviver (anime)|Stack Reviver]]
* [[Decode Talker (anime)|Decode Talker]]
* [[Decode Talker Extended (anime)|Decode Talker Extended]]
* [[Doublebyte Dragon (anime)|Doublebyte Dragon]]
* [[Detonate Deleter (anime)|Detonate Deleter]]
* [[Elphase (anime)|Elphase]]
* [[Pentestag (anime)|Pentestag]]
* [[Protocol Gardna (anime)|Protocol Gardna]]
* [[Proxy Dragon (anime)|Proxy Dragon]]
* [[Recovery Sorcerer (later anime)|Recovery Sorcerer]]
* [[Security Dragon (anime)|Security Dragon]]
* [[Shootingcode Talker (anime)|Shootingcode Talker]]<ref group=Notes name="shootingcode">This card is obtained via [[Storm Access (anime)|Storm Access]] in [[Yu-Gi-Oh! VRAINS - Episode 048|episode 48]].</ref>
* [[Transcode Talker (anime)|Transcode Talker]]
* [[Tri-Gate Wizard (anime)|Tri-Gate Wizard]]
* [[Update Jammer (anime)|Update Jammer]]
* [[Zombie Prosaber]]
|fusion monsters =
* [[Borreload Furious Dragon (anime)|Borreload Furious Dragon]]
* [[Cyberse Clock Dragon (later anime)|Cyberse Clock Dragon]]
|synchro monsters =
* [[Cyberse Quantum Dragon (anime)|Cyberse Quantum Dragon]]
==Trivia==
* Yusaku used every type of Summoning that had been introduced during the ''[[Yu-Gi-Oh! VRAINS|VRAINS]]'' series, except [[Pendulum Summon]]ing due to it not being featured.
** This makes him one of two characters to use [[Fusion Monster|Fusion]], [[Ritual Monster|Ritual]], [[Synchro Monster|Synchro]] and [[Xyz Monster]]s all together, the other being [[Ai]].
* In early plans for ''Yu-Gi-Oh! VRAINS'', Yusaku was going to be a newcomer to ''Duel Monsters'', which would have fit the show's original theme of "Take a step forward and try".{{citation needed}} This was changed before the series was released.
* Yusaku is the first spin-off protagonist whose Deck centers around a newly introduced monster Type (in this case, Cyberse).
* Yusaku is the first protagonist since [[Yugi Muto|Yugi]]:
** To have three different colors in his hairstyle's design.
** Whose [[Signature card|ace monster]]'s Type is neither Warrior (like Jaden and [[Yuma Tsukumo|Yuma]]) nor Dragon (like [[Yusei Fudo|Yusei]] and [[Yuya Sakaki|Yuya]]).
** To successfully perform a [[Ritual Summon]].
* Yusaku is the first protagonist since Jaden to:
** Use [[Field Spell Card]]s in his Deck.
** Not have his father be central to the plot of his series.
** Have never been defeated by his [[Roken Kogami|rival]].
* Yusaku is the first protagonist since Yusei to:
** Use [[Normal Monster]]s in his Deck.
** Have never lost a Duel within the present main storyline.
* Yusaku is the only protagonist:
** Who has never lost a Duel to another human.
** To have neither of his parents, or any family, seen or mentioned at any point.
** Who is not a close friend of the [[Skye Zaizen|heroine]] of his series, although he does occasionally work with her.
** Who never participated in a tournament or [[Tag-Team Duel]] (unless Yusaku fighting Bit and Boot, 2 Duelists in 1 body, counts in the case of the latter).
* Yusaku has several similarities to Yusei, despite having a much harsher demeanor than the latter.
** Both have "Fu" as the first part of their surnames.
** Both are incredible hackers.
** Both have suffered great hardship in their youth.
** Both are noble and look out for others, but at the same time keep some distance from others so they don't get involved in their conflicts.
** Both commonly have Duels while riding on [[D-Board|fast]] [[Duel Runner|vehicles]].
** Both are highly intelligent and have great strategic skills in dueling that often make use of recycle tactics.
** Both have not worn anything around their necks.
** Both were once considered criminals in their series.
** Both have only lost Duels in flashbacks that take place prior to the beginning of their series.
** Both have never been turned evil at any point in their series like the other protagonists, though Yuma never actually turned evil as Astral embraced evil power and merged with him into Dark ZEXAL.
* Yusaku and Yusei also both have similar monsters in their Decks.
** Dragon-themed primary ace monsters with 2500 ATK and defensive effects that focus on protecting other cards ("Firewall Dragon" and "[[Stardust Dragon (anime)|Stardust Dragon]]").
** Warrior-themed secondary ace monsters with a DARK Attribute, 2300 ATK, and offensive effects that focus on gaining strength from other monsters ("Decode Talker" and "[[Junk Warrior (anime)|Junk Warrior]]").
** Effect Monsters that can Special Summon a Level 2 or lower monster from its controller's Graveyard in Defense Position, but with its effects negated, upon being Normal Summoned ("Cyberse Gadget" and "[[Junk Synchron (anime)|Junk Synchron]]").
** Level 1 EARTH Normal Monsters with 100 ATK and DEF ("Protron" and "[[Unicycular (anime)|Unicycular]]").
* Much like [[Sherry LeBlanc]], Yusaku has 1 or 2 people they can actually trust (in Yusaku's case, he only had Kolter). Also, both of them had a desire for vengeance against the organization that took the lives of someone important to them, despite having different backgrounds (Yusaku against The Knights of Hanoi and Sherry against [[Iliaster]]).
* Yusaku is the first character to use five different Summoning methods ([[Link Summon|Link]], Ritual, [[Fusion Summon|Fusion]], [[Synchro Summon|Synchro]], and [[Xyz Summon|Xyz]]).
* Yusaku's ace monsters with a draconic appearance have the same color scheme as the card type of that monster: "Firewall Dragon" is blue ([[Link Monster|Link]]), "Cyberse Clock Dragon" is violet ([[Fusion Monster|Fusion]]), "Cyberse Quantum Dragon" is white ([[Synchro Monster|Synchro]]) and "Firewall eXceed Dragon" is indigo, which is close to black ([[Xyz Monster|Xyz]]).
* Yusaku is the only character in the ''VRAINS'' series to use more than one Fusion Monster (albeit the second monster didn't originally belong to him).
* Like Yugi and Yuma, Yusaku dueled against his partner in the final episodes of his series. All three also used a new monster at the Duel's climax (in Yusaku's case, it was "Accesscode Talker").
** Unlike Yugi and Yuma's monsters, which represented their own individual strength, Yusaku's seems to represent his bond with Ai (hinted in the summoning chant).
** All three have used cards that can be seen with deep meaning behind them and were key in their victory. For Yusaku, it was "Recoded Alive" which was also used to defeat Varis in both of their Master Duels. Of the three, Yusaku's is the only one to be a Trap instead of a Spell.
** Also unlike Yugi and Yuma, Yusaku used a [[Borreload Furious Dragon (anime)|card]] that was not his for his final Duel. Although his was given to him, rather than offered.
* Each of Yusaku's four non-Link ace monsters has at least one gameplay difference from the other three.
** "Cyberse Magician": The only one to not be a Dragon-themed Extra Deck monster (instead being a Spellcaster-themed Main Deck monster).
** "Cyberse Clock Dragon": The only one to require a specific monster as part of its Summon method (in this case, "Clock Wyvern"), and to have an effect that activates upon its Summoning.
** "Cyberse Quantum Dragon": The only one to not have an effect that increases its ATK.
** "Firewall eXceed Dragon": The only one to not be a Level 7 monster from the "[[Cyber]]" archetype (instead being a Rank 4 monster from the "[[Firewall (archetype)|Firewall]]" archetype), and to not have an effect that protects other monsters from attacks or card effects while a Link Monster is on the field.
==References==
