A Ninja and an Assassin Under One Roof Vol 2

From the Seven Seas Entertainment edition

ANOTHER HEARTWARMING DAY, ANOTHER SUCCESSFUL JOB! Satoko is a naive ninja who snuck away from her shinobi village only to meet Konoha, a skilled teenage assassin. Somehow, despite everything, their new life together as roommates seems suspiciously full of warm, fuzzy bliss. Don't miss the continuation of this darkly comedic tale of cohabitating killers!

Source: Penguin Random House API