Translated from Japanese:

Hibiki Hagio celebrated her birthday and turned 30 years old. On the day of such a milestone, she’s expecting a proposal from her boyfriend Yuji, who she has been dating for 5 years and living together for 2 years. But he's an indie bandman and doesn't have any job experience ! Even though the surroundings are changing more and more, it starts to feel uneasy about the uncertain future. Then I got a call from my mother that my father collapsed...?