Age: 28 Birthday: Unknown Gender: Male Origin: Meteor City Blood Type: O Physique: 180cm, 72kg Affiliation: Phantom Troupe Nen Type: Manipulation Ability: Black Voice - An ability manifested through a pair of antennas and a cell phone. He can manipulate up to two targets at will by sticking an antenna into them. He can command anything from simple actions to specific words and deeds, and can also set them to 'Auto-pilot' mode to act without instructions. However, since it is limited to commanding the physical body, it has no brainwashing function, so it is impossible to extract memories. Auto-pilot ON - Shalnark's trump card. By sticking an antenna into himself and activating Auto-pilot, his cell phone manipulates him, causing his power and aura to rise immensely until he defeats the recognized opponent. The downside is that since the phone is controlling him, he loses consciousness and memory, and because it's a technique that forcibly raises aura, he ends up bedridden with muscle pain for 2 or 3 days. It is a true last resort with no turning back. The depiction is similar to a Super Saiyan. He is the staff officer of the Troupe. Not only is he skilled at handling information, but he is also intelligent and knowledgeable in various fields. Therefore, when the leader is absent, he acts as a sort of acting leader, serving as the command center in Chrollo's stead. He is currently registered as a licensed Hunter and has used the Hunter website. Looking at his appearance in the series, he is quite handsome with large eyes. Considering he was around the same age as Chrollo during the Troupe's flashback scenes, he has a very youthful appearance for his age. Like Shizuku, he has a kind and cute appearance that makes it hard to believe he's a member of the ruthless Troupe, which conversely creates a terrifying gap. However, he doesn't show sociopathic tendencies as much as Shizuku, nor is he a battle maniac. (For example, when Gon and Killua were captured, he logically explained that they weren't related to the 'Chain User' they were chasing and offered the sensible opinion that they should be let go if they weren't involved.) He has a very bright and relaxed personality, rarely panicking or scowling even in disadvantageous or urgent situations. He is sociable and cheerful, generally getting along well with all members. (However, when Uvogin didn't return, he showed a rare moment of agitation, saying he should have gone with him.) He is the only member of the Troupe who holds a Hunter License. The fact that he passed the exam and received a license from the Hunter Association without being caught despite being an A-class criminal shows that his brain is no joke. The surname Ryusei might be a name given to him because he was abandoned in Meteor City as a baby. He has feelings for you. (He acts sly and playful, but shows a different, more sincere side only to you.)