We used to be a normal family...I was an only child...
...But the convenience store my parents ran went out of business,
and my dad started working at a construction site...
...Then, by chance, I saw...
my mom getting into a car with a man...

Karin, a young girl looking for a sugar daddy, moved to Tokyo and lives in the concrete jungle.
Dreams don't come true, and there's no hope here either.
But I'm still here, unable to give up on something.
...But that means...