Imadoki no Joshikousei ga Nani wo Kangaeteru ka Wakaranakute Tsurai

Coexisting can present difficulties for a woman in her late twenties, who works as an OL, and a high school student aged only 17. Yu Yoshioka accepted the responsibility of caring for her niece, Sachi. However, Sachi's aloof attitude and rambling words have left Yu feeling uncertain about her next steps.