[4] After the promotion, Yuta Minami was the regular goalkeeper and Tsubasa Shibuya, who was one year older than him, served as a backup.
League Cup 3 games, but after the season ended, he was officially permanently transferred to Sagan Tosu.
[6] In 2019, when Gonda left the team, Takuo Ōkubo, a new member from FC Tokyo, was appointed in the early stages of the game, so he was on the reserve, but when Okubo transferred to Shimizu S-Pulse in the summer, he became a regular.
[7][8] After joining, he became a regular player by suppressing Yuji Kajikawa and Hirotsugu Nakabayashi, but suffered three consecutive losses, including losing three goals in two consecutive games from the match against Sanfrecce Hiroshima in Matchweek 28, which he participated in for the first time after the transfer and returned from rental in subsequent games.
Takaoka returned to the starting lineup in Matchweek 30 facing against Kawasaki Frontale in the battle, he committed a hand outside the penalty area just before the end of the first half and was sent off.
[9] On 18 February 2023, Takaoka officially announced his transfer to a Major League Soccer club, Vancouver Whitecaps ahead of the 2023 season.