The 2006-born protege is starting to earn fleeting first-team opportunities with the Brazilian giants, having come up with five goals in just nine appearances for the club's Under-20s.
Lorran made his first-team debut against Audax-RJ in the Taca Guanabara — a Rio de Janeiro-based league — in January, before netting his maiden senior goal on his second appearance against Bangu-RJ.
The 17-year-old has not made another first-team appearance since February, but he has been an unused substitute for Flamengo in the Copa do Brasil, Recopa Sudamericana and Brasileiro.
An eight-cap Brazil Under-17 international, Lorran made eight appearances in this year's Under-17 South American Championships, scoring one goal and setting up another en route to the trophy.
Primarily an attacking midfielder, the Rio native can also be deployed as a right-winger, and his contract with Flamengo only runs until the end of the 2025 campaign.
According to journalist Fabrizio Romano, Lorran is now being watched by representatives from Man United and Chelsea, and he has a release clause in his Flamengo contract worth €50m (£43.4m).
Romano adds that Lorran is signed to Roc Nation Sports Brazil — the agency of rapper Jay-Z, which manages several of his high-profile compatriots such as Vinicius Junior, Endrick, Lucas Paqueta and Gabriel Martinelli.
The right-wing position is a problem area for Man United in particular at the minute, as both Antony and Jadon Sancho have spent time away from the first team due to personal and disciplinary issues respectively.
Antony was granted leave after being accused of domestic violence by threeRead on sportsmole.co.uk