Los Blancos included the highly-rated 18-year-old in their pre-season plans and he was in the squad for their UEFA Super Cup clash with arch-rivals Atletico Madrid.
He has been demoted to the Castilla side since then, however, with Real boss Julen Lopetegui boasting plenty of proven performers within his first team squad.
And that has led to speculation of a return to his homeland for Vinicius, having previously made 69 appearances for Flamengo.
But his representative says there is no clause within his contract that would allow such a switch to be rushed through.
Frederico Pena told Globo Esporte: “This option does not exist in his contract. The plan is being strictly followed, so a return to Flamengo in January is unlikely.”
Vinicius was also involved with Lopetegui’s squad for the La Liga opener against Getafe but is yet to see competitive minutes for Real.
His 2018/19 outings to date have come for Los Blancos’ reserve team in the Segunda Division B.
He made a quiet start to life with a team managed by Santiago Solari but burst into life during the recent derby with Atletico.
Vinicius bagged a brace in a keenly contested 2-2 draw, with that fixture also seeing him involved in a tussle with Tachi which resulted in him appearing to be bitten on the head.
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