Appears on releases
| # | Title | Length | Track artist | Release title | Country/Date | ||||
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.9 | 最強のブーマ | 3:31 | 馬飼野康二 | バブルガムクライシス 6: RED EYES |
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| 1.9 | 最強のブーマ | 3:31 | 馬飼野康二 | バブルガムクライシス 6: RED EYES |
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| Pseudo-Release | |||||||||
| 1.9 | Saikyou no Boomer | 3:31 | 馬飼野康二 | Bubblegum Crisis 6: Red Eyes |
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