Chapter 359 does not conclude the story (the series ends at Chapter 361), but it serves as the emotional turning point. Terumi rejects the Genji model of serial, objectifying love. He declares that he will no longer "collect" women as experiences. This chapter famously includes his line: "I am not Hikaru. I am the one who reads his story so I don’t repeat his loneliness."
felt the "payoff" for 300+ chapters of build-up was insufficient. Character Growth minamoto-kun monogatari 359