"Riko can't help it - her tuxedo baby is just too cute! Will her co workers feel the same or will it add to their bewilderment about her? At home, Riko learns more about Musubi, from favourite toys such as a free grocery bag to their shared joy of video games. And Musubi himself learns a new trick how to tell her when it's dinner time! 'Levelling up' in skills, surprises, and adventures extends to real life, as Riko discovers what it's like living...

Just when office worker Riko Kozakura is beginning to rank up her Pet Owner skill from Beginner to Intermediate, another cat joins the household! Kozakura's handled her one cat, Musubi, well, but with twice the feline antics she'll have her hands full—and more XP to grind!