Complex sentence: "Only Lonely Boy", the background music in the game's name and password input interface, is a single by Anna Makino, this music is also used for Japan professional baseball team Chiba Lotte Marines' fight song.
Split into simpler sentences: Only Lonely Boy the background music in the game's name and password input interface, is a single by Anna Makino. This music is also used for Japan professional baseball team Chiba Lotte Marines' fight song.