Appears on releases
| # | Title | Length | Track artist | Release title | Country/Date | ||||
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.1 | Helios | 4:59 | 摩天楼オペラ | Helios (通常盤) |
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| 1.1 | Helios | 4:59 | 摩天楼オペラ | Helios (初回限定盤 Type-B) |
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| 1.4 | Helios | 5:02 | 摩天楼オペラ | Justice |
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| 1.4 | Helios | 5:01 | 摩天楼オペラ | Justice |
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| 1.4 | Helios | 5:02 | Matenrou Opera | Justice |
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| 1.4 | Helios | 5:01 | 摩天楼オペラ | Justice |
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| 1.2 | Helios | 5:01 | 摩天楼オペラ | 摩天楼オペラ ~BEST & CLIPS~ |
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| 1.2 | Helios | 5:02 | Matenrou Opera | 摩天楼オペラ ~BEST & CLIPS~ |
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| Pseudo-Release | |||||||||
| 1.4 | Helios | 5:01 | 摩天楼オペラ | Justice | |||||