He still uses he/him pronouns because he honestly just feels more comfortable using them, but the whole incident of turning into a giant spider lady threw his gender all out of whack. He very vaguely identifies as a lesbian, but he's got a lot of jelly in his jam that he needs to unpack before he can make any conclusive statements about it.
For future characters, I'm debating whether or not to include a lamia. On one hand, cliche, on the other hand, lamias make gay brain go brrrrrr