Rori sakka: Onedari moe mousou(2007)

Ichijo, who works for a publishing company, is rumored to be having an affair with Shiho, the president's daughter and managing director's wife. He's then assigned to Kanon, a popular romance novelist in the midst of writer's block. Kanon is a quirky character, indifferent to her appearance, doesn't bathe while writing, and keeps a gay man named Kaoru as a pet. Ichijo is forced to take care of her like a housekeeper. He grumbles but endures, and finally receives the manuscript, only to find it's a sensual novel, prompting Ichijo to demand a rewrite...