[Scarcely will the words- more like a command than permission, but it's close enough- leave Katsuki's mouth before Izuku's own is to his skin again, lips working briefly to relocate the exact position of the gland beneath before he unceremoniously fits his teeth there and bites.
He bites with considerable force, this time. Plenty enough to drive his canines down into Katsuki's neck, puncturing the skin and by extension stimulating the marking gland, blood immediately welling up around his teeth as he grabs at him harshly with his hands, fingers curved against his uniform as he forces him up even harder against the door.
Izuku snarls like a rabid animal, a sound nearly inhuman.]
no subject
He bites with considerable force, this time. Plenty enough to drive his canines down into Katsuki's neck, puncturing the skin and by extension stimulating the marking gland, blood immediately welling up around his teeth as he grabs at him harshly with his hands, fingers curved against his uniform as he forces him up even harder against the door.
Izuku snarls like a rabid animal, a sound nearly inhuman.]