"Hello Sekai (ハロー世界)" by Shounen Hollywood [Kakeru Kazama (Ryota Ohsaka), Ikuma Amaki (Tetsuya Kakihara), Kira Sakeki (Daiki Yamashita), Daiki Tomii (Shouta Aoi), Shun Maiiyama (Kensho Ono)] (eps 1-12)

1: "Hollywood Rule 1・2・5 (ハリウッドルール 1・2・5)" by Shounen Hollywood (Kakeru Kazami (Ryota Ohsaka), Ikuma Amaki (Tetsuya Kakihara), Kira Sakeki (Daiki Yamashita), Daiki Tomii (Shouta Aoi), Shun Maiiyama (Kensho Ono) (eps 1)

2: "Yokan no Kutsu (予感のくつ)" by Kakeru Kazami (Ryota Ohsaka) (eps 2)

3: "Unki Joushou Yellow Punch (運気上昇イエローパンチ)" by Daiki Tomii (Shouta Aoi) (eps 3)

4: "Life and death" by Customi Z (カスタマイZ) (eps 4)

5: "Air Boys (エアボーイズ)" by Shounen Hollywood (Kakeru Kazami (Ryota Ohsaka), Ikuma Amaki (Tetsuya Kakihara), Kira Sakeki (Daiki Yamashita), Daiki Tomii (Shouta Aoi), Shun Maiiyama (Kensho Ono) (eps 5)

6: "Maji de JIN JIN (マジでJIN JIN)" by Kakeru Kazami (Ryota Ohsaka) and Ikuma Amaki (Tetsuya Kakihara) (eps 6)

7: "Hello Sekai Popcorn ver. (ハロー世界 Popcorn ver.)" by Shounen Hollywood (Kakeru Kazama (Ryota Ohsaka), Ikuma Amaki (Tetsuya Kakihara), Kira Sakeki (Daiki Yamashita), Daiki Tomii (Shouta Aoi), Shun Maiiyama (Kensho Ono)) (eps 7)

8: "Eien never ever Bitter chocolate ver. (永遠 never ever Bitter chocolate ver.)" by Shun Maiiyama (Kensho Ono) (eps 8)

9: "Utaitai Uta (うたいたい歌)" by Customi Z (カスタマイZ) (eps 9)

10: "Akai Hako no Cracker ~Let's Party~ (赤い箱のクラッカー ～Let's Party～)" by Kira Sakeki (Daiki Yamashita), Daiki Tomii (Shouta Aoi), Shun Maiiyama (Kensho Ono) (eps 11)

11: "Hello Sekai (ハロー世界)" by Shounen Hollywood [Kakeru Kazama (Ryota Ohsaka), Ikuma Amaki (Tetsuya Kakihara), Kira Sakeki (Daiki Yamashita), Daiki Tomii (Shouta Aoi), Shun Maiiyama (Kensho Ono)] (eps 12-13)