Suzuka is the last surviving member of the Four Kouken Temple Rakshasa demons, a group of executioners who worked under Minister Honest. She's now aligned with Wild Hunt.
She's got some pretty extreme tastes—she's openly into pain, to the point where she'll deliberately let spies slash at her just for the rush. She rated a whole group of them poorly for their efforts, which says something. She's even fantasized about being tortured by Esdeath. After managing to escape from being buried alive, Suzuka developed an interest in Tatsumi and his approach to things.
Like the other Rakshasa demons, Suzuka gets a genuine kick out of fighting. She's playful in combat, sure, but she's also sharp—she picks up on her opponents' weaknesses quickly and keeps her head when it counts.
Content compiled by AnimeList.moe from publicly available sources.