Miura joined Oliveirense in the Portuguese second division on loan in February and played three games, breaking the record for the oldest appearance in the league. He revealed that he has received offers from several clubs, saying, "I like the fact that I can play with a solid goal, and I hope to make a decision this month" Miura will train at a facility in Osaka Prefecture until the 2th of this month, after which he will continue to make adjustments at the facilities of JFL club Suzuka Point Getters, where he played last season.