Ky Kiske is the deuteragonist of the Guilty Gear series and Sol Badguy's rival. A former member of the Sacred Order of Holy Knights during the Crusades, Ky is a charismatic swordsman who possesses a strong sense of justice and piety, which sustain and guide him through all manner of shaking uncertainties.

Ky is a religious man, the adjective describing both his devotion to God, as well as his commitment to the ideals of justice, order, and honor. Of a straightforward and serious personality, Ky is kind-hearted, charismatic, honest, diligent, polite, and believes in fair play. He is also chivalrous, being known to hold back against female opponents, and is utterly dedicated to protecting the weak.


Set in the year between the events of the first two games, the story revolves around two new characters exclusive to the manga: Tyr and Mizuha, and the mystery of severed Gear parts falling from the sky.  Members of the Post War Administration Bureau (P.W.A.B. for short) - the secretive organization responsible for many events in the games - serve as the antagonists of the story.  Characters from the games, such as Sol, Ky, Axl, Potemkin and Kliff, also appear, albeit with relatively minor roles.

Mahiro Oyama was just a normal erotic-game loving dude…until he woke up one morning as a woman! Turns out his mad-scientist little sister, Mihari, tried out one of her new experiments on him…with a disastrous outcome, as far as Mahiro’s concerned! But Mihari is as determined to study him as he is determined to go back to his shut-in, game-playing life, and one thing’s for sure…life is going to get a whole lot weirder from here on out! 
 
(Source: Kodansha USA)

Initially unveiled at EVO 2022, a music video to commemorate the 1st Anniversary of "GUILTY GEAR -STRIVE-", animated by studio SANZIGEN. The video, directed by Shinpei Ishikawa, features the theme song Find Your One Way of the main character of the series: Sol Badguy. This music video depicts more than 20 years of the world of Guilty Gear and half his lifetime!
 
(Source: Arc System Works Twitter, edited)

Sin Kiske, the forbidden child of a human and a magically crafted biological weapon called a Gear, lives in a world where magic has replaced science, and scars from the Gear rebellion remain. Attending his parents’ taboo-breaking wedding, he encounters a mysterious girl with deep hatred for Gears, and their fateful meeting threatens to upend the world once again. 
(Source: Crunchyroll)