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Vongola GP (Gran Prix) Takayama Toshinori tomonidan tayyorlangan Katekyo Hitman Reborn! Ning spin-off seriyasidir.
Manga Tsunayoshi Savadani tanishtiradi, uni "Yo'q-yaxshi Tsuna" deb atashadi, u dunyoning afsonaviy poygachisi - Primo va uning yon zarbasi Gokudera Xayato. Ular asl Katekyo Hitman Reborn-dan turli a'zolarga qarshi kurashmoqdalar! fitna.