Estrus Cycle～发情期～（Intsrumental）
Estrus Cycle fa qing qi Intsrumental Lyrics
| Song | Estrus Cycle～发情期～（Intsrumental） |
| Artist | 心华 |
| Artist | 野良犬P |
| Album | Estrus Cycle～发情期～ |
YouTube Results (More on YouTube)
| Song | Estrus Cycle～发情期～（Intsrumental） |
| Artist | 心华 |
| Artist | 野良犬P |
| Album | Estrus Cycle～发情期～ |