Ah, yes, I’ve seen this, and it’s great! She and Tosin were actually partners. I saw Animals as Leaders live, and they’re my favorite band of all time, so here’s what I have in mind for similarities:

• Strawberrry Girls - They’re more in alignment with Polyphia and the modern clean-guitar-driven kind of mathcore shit than anything else, but seeing as how this is one of Animals as Leaders’ more chill songs, you might fuck with them. They’re primarily instrumental, but a lot of their tracks do feature vocals. Their whole discography is gold, IMO, so I’d recommend just starting chronologically.
• Polyphia and Others - On the note of mentioning the instrumental math rock-esque of bands, if you haven’t already checked out Polyphia, do so. Similarly, they’re mostly instrumental, but they occasionally have a vocal feature that hits, such as in the song “ABC” with Sophia Black. Also consider Plini (also saw him live!), Chon, and some other instrumental prog metal acts that frequently feature clean-guitar-driven parts like Intervals, Scale the Summit, David Maxim Micic (occasionally has vocal features, including female ones), Wide Eyes, and Sithu Aye.

To give an album recommendation for each of these:

• Polyphia - New Levels, New Devils
• Plini - Handmade Cities
• Chon - Self-Titled
• Intervals - The Shape of Colour
• Scale the Summit - The Migration
• David Maxim Micic - BILO III
• Wide Eyes - Samsara
• Sithu Aye - Set Course for Andromeda