Oh, I'm so sorry to hear it! You're such an amazing writer and developer and you certainly deserve better than this.
All the things I say below are solely from a player's and supporter's perspective, as I don't know how things work from the other side. But still.
I'm not sure about supporting a Kickstarter (I don't even have an account), but for you I'd certainly try :D I'd also most definitely back TTOW (rooting for Sophie and Bastien here!)
Also I'd definitely join your Patreon (I'm not sure if I'm able to give much more than $1-2 per month condtantly, but if there are many people like me - that's a sum). Also I could suggest putting up a Ko-Fi page, it seems convenient to send small sums there.
Social media presence is also a powerful thing and a great tool to build community (so that there's a convenient place to link people to, to share stuff, to let people exchange opinions, etc - I'm not seeing itch as such a tool, maybe because I'm new here, but still).
I wish I could help more practically, but the social network I'm most versed in is Russian (as I'm from there) and finding Russian people here who are fluent in English and would be able to enjoy English-language VNs is a whole another story (I know they're there, though). I also dabble in targeted ads, but that's in that very same network and not even in Instagram, unfortunately.
I can try and write a post about some of your games (or maybe your studio in general) in a group that shares content about women and girls in games, films, etc. Unfortunately, HG doesn't have FxF romance routes so I'm not sure if I'll be recommending specifically that, but still.
Anyway - I wish you the best luck. And please know we're there with you.