On June 15, 1311, Moromoto celebrated genpuku (the coming-of-age ceremony) at age 11 and conferred Jugoinojo (Junior Fifth Rank, Upper Grade) whereby he became authorized to use kinjiki (literally, "forbidden colours," seven colours tradionally reserved for the imperial family and nobility) and to attend the court.
1311年（応長元年）6月15日、11歳で元服、従五位上に叙され、禁色・昇殿を許される。