Yorimichi Family

is a japanese 4-koma manga series written by Tada Tagu. It began serialisation in the October 2012 issue of Manga Time Kirara Miracle.

The series was released under 1 volume in July 2013.

Synopsis
Fumika started living alone because her parents were transferred overseas. She lives in a school room! In order to heal such "family chic" during the summer, Her classmate Sanako (@ Older Sister), Her Senpai Yuki (@ Mother), and Ayane (@ Father) will become "family" !?

(Source: Amazon JP - Translated)