An author of romance novels, before marrying Natsue, Kaoru spent much of his time drinking sake while Himeno balanced the budget and cooked their meals. He stopped writing due to Himeno's mother's death. After he married Natsue, Kaoru spends much of his free time sculpting. In particular, after a comment by Hayate calling Himeno "Tulip Head", Kaoru set out to sculpt a Tulip in dedication to her, which Himeno laments, and ultimately destroys