Maybe you'd like to consider Kiseki (that links to last month's add, but the only thing that's changed is the character count)? We're a small game on IJ - which comes with 100 free icons! - and currently have 29 characters, about 2/3 of which are adults, depending on how you count. We're fairly slow-paced, and AC is bi-monthly with 30 comments total.

We do lean towards SoL, but it's intersected with events ranging from action-esque to silliness to big world changes. We're also very welcoming to obscure characters and lone canonwolves!