After graduating high school, Teppei abruptly left home and has since drifted from job to job. Hearing he now works at a guesthouse, his mother Yumiri, who hasn't seen him in years, secretly visits his workplace. They finally meet inside a log cabin, but Teppei doesn't immediately recognize her as his mother. The moment he realizes it's her, overwhelmed by shame, he instinctively says something that pushes her away. The truth is, Teppei had fled home because he felt disgusted by his own forbidden desires toward his mother. Unaware of this inner turmoil, Yumiri has always longed to reconnect with her son and rebuild their bond. Between them lie layers of misunderstanding and buried emotions, yet an undeniable connection persists. This complex web of feelings and history deepens the unfolding story.