Kevin and Sol (OCs) sketch

Kevin Thomas Smile and Sol Jäger are both OCs created by me and by a friend to do roleplaying in www.fanfiction.net for the Percy Jackson universe.
Sol was created by "laotakuqueleelibros" in Fanfiction. She's a daughter of Poseidon, greek god of the sea and horses. She's independent, has blue hair and she has powers over water and can talk to horses and pegasus. She's kind of Kevin's girlfriend, though he never proposed to her.
Kevin, created by me, is a son of Hades, greek god of the Underworld. He's shy, a little bit emo, cute and kind. His power is to drain living beings' energy until they get weaker or, in most of the cases, they die. He killed his mother this way the moment he was born. He only became aware of it when he grew up, and he's always under a great sorrow and tries to not use his deadly power at all, but when he's scared he has panic attacks and his power unleashes without his consent. This has caused multiple accidents, the last of them being killing his friends during an attack from monsters. The four of them, including him, died and went to the Underworld. They started a quest to get out of there, led by Kevin, who felt it was his duty to bring them back to life since he had killed them. But one of his friends, Shiro, was actually a part of Nix's essence (goddess of night). They were attacked by other powerful beings in the Underworld, and finally Kevin managed to bring his friends back to life, but he remained in the Underworld and helped Shiro to get back to Nix. Kevin stayed forever in the Underworld, finally met his dead mother on the Elysian Fields and was happy forever, waiting for his friends to die of natural ways or in battle and reunite with him.
I wanted to upload this drawing, just a sketch, so you can see how they are. In this scene, Kevin was attacked by naiads (water nymphs), he drowned and Sol came to save him, since she can control water. She revived him with mouth-to-mouth resuscitation and using her powers to get all the water out of his lungs.