released on February 15, 2017.
![Bagutte Iijan (Type A) [CD+DVD]](https://www.j-enta.com/fotos/7248.jpg "Bagutte Iijan (Type A) [CD+DVD]") | Bagutte Iijan (Type A) [CD+DVD]
Catalog: UPCH-80461 | | 1. | Bagutte iijan (バグっていいじゃん) | | | 2. | Hitsuzenteki Koibito (必然的恋人) | | | 3. | Hakusen no Uchigawade (白線の内側で) | | | 4. | Bagutte Iijan (instrumental) (バグっていいじゃん (instrumental)) | | | 5. | Hitsuzenteki Koibito (instrumental) (必然的恋人 (instrumental)) | | | 6. | Hakusen no Uchigawade (instrumental) (白線の内側で (instrumental)) | |
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![Bagutte Iijan (Type B) [CD+DVD]](https://www.j-enta.com/fotos/7249.jpg "Bagutte Iijan (Type B) [CD+DVD]") | Bagutte Iijan (Type B) [CD+DVD]
Catalog: UPCH-80462 | | 1. | Bagutte iijan (バグっていいじゃん) | | | 2. | Hitsuzenteki Koibito (必然的恋人) | | | 3. | Bokudake no Hakujitsumu (僕だけの白日夢) | | | 4. | Bagutte Iijan (instrumental) (バグっていいじゃん (instrumental)) | | | 5. | Hitsuzenteki Koibito (instrumental) (必然的恋人 (instrumental)) | | | 6. | Bokudake no Hakujitsumu (instrumental) (僕だけの白日夢 (instrumental)) | |
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![Bagutte Iijan (Type C) [CD+DVD]](https://www.j-enta.com/fotos/7250.jpg "Bagutte Iijan (Type C) [CD+DVD]") | Bagutte Iijan (Type C) [CD+DVD]
Catalog: UPCH-80463 | | 1. | Bagutte iijan (バグっていいじゃん) | | | 2. | Hitsuzenteki Koibito (必然的恋人) | | | 3. | Kisu ga Toosugiruyo (キスが遠すぎるよ) | | | 4. | Bagutte Iijan (instrumental) (バグっていいじゃん (instrumental)) | | | 5. | Hitsuzenteki Koibito (instrumental) (必然的恋人 (instrumental)) | | | 6. | Kisu ga Toosugiruyo (instrumental) (キスが遠すぎるよ (instrumental)) | |
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