Takayuki Hirata

Rena Misaki works at a bank. She lacks self-confidence. Because of a reason, she begins working for a PR company and her boss is Kusakabe. As she struggles to work under her new boss, Rena Misaki grows as a person.

Four siblings are shocked to learn their adopted brother is actually a visiting alien and his time on earth is soon coming to an end. Will they be able to cope with his departure and also save the family yakiniku restaurant?