Complex sentence: From the surface of a pond, Yuji sees the reflection of his four personalities, Hikomaro, Nakajou, Giza, and Hikaru, respectively, and after seeing his image as Hikaru, he says "Beautiful" before dropping his head to the water.
Split into simpler sentences: From the surface of a pond, Yuji sees the reflection of his four personalities, Hikomaro, Nakajou, Giza, and Hikaru, respectively. After seeing his image as Hikaru, he commented, "Beautiful," before dropping his head onto the water.