[4][5] Initially training with professional side Argentinos Juniors for ten months, he was unable to play for the club due to issues with his documentation.
[6] During his time in Argentina, he was asked to pay to play for Estudiantes, which he declined, and slept on a park bench in Plaza Irlanda [es], where his bag was stolen.
[6] On his debut for the club, he scored a goal and notched two assists in a 4–1 win against San Lorenzo de Villa Gesell, and in celebrating he referenced Japanese anime Dragon Ball Z.
[7] In January 2020 he trialled with Colombian side Boyacá Chicó, but after failing to join the club he returned to his hometown of Kamakura, where the COVID-19 pandemic had not yet taken hold.
[17] Gotou signed for Khaan Khuns-Erchim of the Mongolian Premier League during the summer 2024 transfer window, marking the first time he would play for a club in Asia outside of Japan.