He's emotionally stunted, has very little practical knowledge, and has just taken in a very precocious kitten - Subaru is in for a very steep learning curve.
My Roommate is a Cat Episode 3 Review: Subaru's editor has cats in his brain and uses Haru as an excuse to intrude on Subaru at every opportunity. Meanwhile, Subaru is perplexed by the cat's seemingly inexplicable behaviour. Can a loner cope with so many things going on?
My Roommate is a Cat Episode 2: This week we see more of the cat taking over Subaru's life and then the cat is named, whether it understands that or not.