Complex sentence: Near the end of the video it goes back where Ayumi and her boyfriend was the on the motorcycle, ayumi is the only one alive and her boyfriend is found dead on the floor and the music video ends with Ayumi looking at her boyfriend in bed.
Split into simpler sentences: Near the end of the video, it goes back where Ayumi and her boyfriend was the on the motorcycle. Ayumi is the only one alive and her boyfriend is found dead on the floor and the music video ends with Ayumi looking at her boyfriend in bed.