Sumireko Ogawa is one of the main characters of Kaii to Otome to Kamikakushi.

A tall, voluptuous 28-year-old woman with huge breasts. Sumireko Ogawa is a famous aspiring writer who began publishing her first books while still in high school, but currently works at Midori Bookstore due to her burnout crisis and the harsh criticism she received from her interviewers.