Nsfw//
Werewolfhill where its soon after he contracts lycanthropy, so they chain him up when it reaches the night of the full moon in order to make sure argenti is safe but instead he breaks free. However instead of boothill trying to tear out his throat, argenti is surprised with being held tight and carressed. Boothill lapping at his neck needily. Seeing argenti as his mate with his mind reduced to baser instincts.
Followed by breathy confessions as Boothill struggles to keep control and get his voice out as Argenti hushes and comforts him.. eventually learning that his mind could remain present if he simply followed his instincts. Taking what was his and what was being freely given