Toko Koga

Feyenoord

Through a partnership with Vrouwen Eredivisie club Feyenoord, Koga was given the opportunity to complete a trial with the team, where she would feature in a friendly match against Eintracht Frankfurt. In January 2024, Koga signed with the club on a contract lasting through mid-2026. On January 27, 2024, Koga made her debut for Feyenoord in a home league match defeat against FC Twente. On 2 November 2024, she scored her first goal for the club in a 3–0 league win against SC Heerenveen. In the following season, Koga would feature prominently in the starting line-up as she played 21 league matches and scored three goals.

Tottenham Hotspur

On 2 July 2025, Koga signed for Women's Super League club Tottenham Hotspur on a four-year deal.

On 14 June 2024, Koga was included in the Japan squad for the 2024 Summer Olympics. Koga was part of the Japan squad that won the 2025 SheBelieves Cup. Koga was part of the Japan squad which won the 2026 AFC Women's Asian Cup, where she featured in a 1–0 win over Australia in the tournament's final on 21 March 2026.

Club

As of match played 13 September 2026

International

As of match played 18 April 2026

Scores and results list Japan's goal tally first, score column indicates score after each Koga goal.

Koga was born in Toyonaka, Osaka Prefecture on 6 January 2006. She began playing football at the age of six under the influence of her older brother and her father. She joined her local club FC Grasion where her older brother also played at the time, playing alongside boys. She joined JFA Academy Fukushima, the youth development program of the Japan Football Association, during her sixth grade after passing their selection test. She would leave her home in Osaka to live in the academy dormitory in Shizuoka Prefecture. While at the academy, she befriended and progressed through the ranks with her future national teammate, Momoko Tanikawa. Upon graduation from high school, Koga moved overseas to pursue a professional career on the recommendation of her coach.