[Eren doesn't bite - presses down a bit, yes, just for some grip, but it's his tongue that really does the work. Eren laps between Akechi's spread fingers as if they were a pair of legs, tongue dipping into the webbing. He reaches up to grab Akechi's wrist, grip light, but steady. His tongue fucks that space until Akechi's hand is dripping wet, small sounds of want eking out of Eren's throat.]
cw: nsfw this time idc if they're fully clothed and barely touching