Kako: My Sullen Past Episode 1

Kako is a female high school student who lives at a restaurant run by her family in Kitashinagawa Tokyo. Unexpectedly her aunt Mikiko suddenly appears. Kako thought her aunt died 18 years ago. Her whole family is embarrassed by Mikikos appearance due to a past incident. Kako is also irritated when Mikiko lives in her room. They spend the summer together.