Thanks for the kind words! Right now the sets cover the core emotions: happy, angry, sad, surprised, embarrassed and so on. Mixed ones like a forced smile, or a smile with worried eyes, aren't in yet. I agree they're great for subtext, though, and I'm noting them for future volumes. If you have a short list of the expressions you'd use most, post it here; it'll help me decide what to add first. Good luck with your project!
The two expressions I’d want to add most are: smiling to reassure someone while their eyes still look super worried, and that moment right after a sigh of relief when their body is still shaking from the shock. Expressions like that add way more subtext to dialogue than just being happy or sad. Also, thanks for taking notes on these suggestions! We’re currently testing ISECAI, a free web-based AI anime RPG, and I’d love to get your first impressions on how well the character expressions and dialogue work together. Would you be down to try a short academy intro when you have time? If you're interested, I can drop the link and a unique invite code right here.