T?i l?i m? th??y gi??c m? ??y

"An unhappy girl who engages in self-harm, a high schooler ostracized by her classmates, and an old woman looking to live out her twilight years in peace--these three different people have something common. That's what grade schooler Nanoka Koyanagi is trying to find out. Assigned by her teacher to define what 'happiness' means to her, Nanoka tries to find her place in the world by exploring her relationships with these three strangers, and through them, comes to know herself"--Anime News Network website.