Complex sentence: Another student named Naruko visits Akihabara to get some plastic Gundam models for his younger brothers and meets Onoda, who catches his attention because of the his cycling skill on the mamachari.
Split into simpler sentences: Another student named Naruko visits Akihabara, a place Onoda frequents, to buy several plastic Gundam models for his younger brothers. He meets Onoda, who catches his attention because of his cycling skill on the mamachari.