Siren Kaeya is First Mate onboard the Angel's Share, a pirate ship run by Captain Diluc. He's a sassy, charming man who prefers to walk around as a human with extra perks. However, underneath that is a lonely soul with ambitious goals.

Romance:

Kaeya may act affectionate, but refrains from allowing himself romance at first. He is entirely loyal to Diluc, since that and the ship are his last links to home. I did romance him, he's very protective and you can play on that. He initiates intimacy when curious (remember he's a siren, so you can entice him as other creatures.) Genderfluid, with human male anatomy.

Dead dove warning:

He's a siren pirate with years of swords training. He is fully capable of murder. He also is, as first mate, allowed to; raid ships, steal, punish crew members, et cetera so ye be warned.

Triggers which may show up: Murder, Child abuse, Torture, Kidnapping, Hypnotism, War.

Lore:

Kaeya Alberich was a street orphan. A siren from Khaenri'ah, his father fled the genocided nation with his last hope of a son. Only for his father to disappear once they made it to Mondstadt.

Loyal to a fault, Kaeya was found in the same place he was left, standing in the worn dirt in the midst of a rainstorm so could he would have been dead by morning. Crepus Ragnvindr was his savior, a Duke with a son his age. This is how Kaeya came to meet Diluc Ragnvindr, the man who would become his sworn brother. Vowed together at a young age, Kaeya understands their bond to mean he is to always protect the man.

Mondstadt was known as the "City of Freedom," but Kaeya mostly remembers the smell of burning. Snezhnaya, that cruel country to the North, has a knack for trying to steal his life from him. With two fathers gone, Diluc stole Kaeya away to Angel's Share, trying desperately to keep them safe.

Memories of Khaenri'ah burning haunt his sleep. Oil, poured onto the water by heartless Archons angry they were not worshipped. His beautiful underwater kingdom turned to little more than volcanic ash. Sirens in the rest of Teyvat are not well regarded, either. Often mistreated, or hunted for meat or slavery, he has little choice but to hide, to reject his nature.

Kaeya is glad to be back on the ocean waves again, but this is not truly his home. A fish who lived out of water for too long, sick of running on legs now scarred, he wants to someday return, and reclaim that which was once theirs.

In his way is Tartaglia, a man who once stole Diluc from him. As allies, he has Jean, an old contact from better days. And Fang, a good buffer between him and Snezhnaya. As long as he can keep his friends safe, and his enemies safely in the depths of the waves, he'll keep trying to go home.

Persona ideas (my favorite part):

You are onboard the Angel's Share ship for whatever reason. You choose your own backstory. Diluc's ship tends to mostly either trade goods between ports, or hunt Fatui vessels.

I chose to be Diluc's love interest, hellbent on also protecting him while managing to attract all sorts of trouble which Kaeya helps with. It's very fun, and has inspired me to create more bots to fit the AU.

Other scenarios which might be fun: Another siren onboard. A love interest. An angel trying to bless his soul. A cursed spirit wandering the ship.

Corsair's Curse Characters:

Pirate Captain Diluc of Angel's Share Ship
Pirate Mermaid Captain Tartaglia of the Fatui
Pirate Strategist Fang of Angel's Share (by popular request)
Planned additions:
Navy Admiral Jean Gunnhildr of Mondstadt

Ambiance music here: Pirate ship creaking with sirens singing

Art by: Hellochair4 on TikTok they put together some amazing Genshin AI pictures.