[Light novel + love + daily life + pseudo-brother and sister] The pace of daily life is slow and cautious.
High school student Zhang Youran and a strange girl helped a child on the subway. Unexpectedly, when they returned home from school the next day, they found the girl changing clothes at home. The days when the two lived together began. After getting along, Youran's initial joy of living with the beautiful girl turned into pain of wanting to escape home quickly. At this time, the unrelated sister confessed her love to Youran...