Keisei Tominaga

Keisei Tominaga (富永 啓生, とみなが けいせい) is a Japanese college basketball player for the Nebraska Cornhuskers of the Big Ten Conference.

He previously played for Ranger College.

Tominaga has been a member of the Japan men's national basketball team and the national 3x3 team.

Tominaga attended Sakuragaoka Gakuen High School in Aichi Prefecture and played for its basketball team.

As a senior, he averaged 39.8 points per game at the All-Japan Championship, an annual national high school tournament.

During the third-place game, he posted a tournament-high 46 points in a 76–65 win over the Teikyo Nagaoka of Niigata Prefecture.

Tominaga made his international debut when he was selected to be a part of the Japanese squad that competed at the 2018 FIBA Under-16 Asian Championship, where he led the team in efficiency (13.3) and points (17.5) per game.

His tournament highlights included a game-high 27-point outing, knocking down seven 3-pointers and scoring 19 points in five minutes in a 109–57 victory against India.

Tominaga finished the tournament as the fourth-leading scorer.

Later that year, Tominaga suited up for Japan at the 2018 FIBA Under-18 Asian Championship, leading the team in efficiency (14.6) and points (19.3) per game once more.

In a game against Bahrain, Japan was down 70–58 with five minutes left to play, Tominaga then logged 11 points in two minutes, cutting the lead to three points.

He finished the game with 33 points, helping Japan secure the win.

Tominaga was the tournament’s fifth best scorer.

On November 1, 2019, Tominaga made his collegiate debut for Ranger College, against Missouri State University–West Plains, scoring 19 points in a 100–84 win.

On November 16, he logged a season-high 34 points in a 110–60 victory against Victoria College.

On November 28, Tominaga verbally committed to play for NCAA Division I program Nebraska, under former NBA coach Fred Hoiberg for the 2021 class.

As a freshman, Tominaga averaged 16.8 points, 2.3 rebounds and 0.7 assists per game while shooting 54.9 percent from the field and 47.9 percent from 3-point range.

In his efforts, Tominaga earned the NJCAA All-Region V Team and the First Team All-Northern Texas Junior College Athletic Conference honors.

He was also named conference Freshman of The Year, leading the conference in 3-point shooting and ranking sixth in both scoring and field goal percentage.

With Tominaga playing for Ranger College, the team finished the season with a 28–3 record, helping them clinch a position in the NJCAA national tournament.

However, the season ended early due to COVID-19.

Ranger eventually finished second in the NJCAA national rankings.

On November 11, 2020, Hoiberg announced that Tominaga has signed a National Letter of Intent to transfer to the University of Nebraska next season.

On March 3, 2021, Tominaga scored a season-high 39 points, knocking down 11 3-pointers in a 113–102 win over Grayson College.

Three days later, he had 26 points in a win against Temple College.

In his efforts, Tominaga set a school record for career 3-pointers with 139, previously held by Brayan Au with 130.

For his performance, Tominaga was named Northern Texas Junior College Athletic Conference Player of the Week for February 28 to March 6.

On April 22, Tominaga posted a game-high 25 points, sinking five 3-pointers in an 87–83 win against South Plains College, sending the Rangers to the Final Four round of the NJCAA Division I Championship.

Despite his team-high 26-point performance in the semifinals, the team lost to Cowley County Community College.

Ranger College finished its season with a 23–5 record.

Tominaga averaged 16.3 points, 2.4 rebounds and 1.6 assists per game while shooting 51.0 percent from the field and 48.7 percent from 3-point range as a sophomore, earning him the NJCAA All-Region V Team and the First Team All-Northern Texas Junior College Athletic Conference honors for the second time in a row.

He was named to the NJCAA Division I All-Tournament Team and was the recipient of the Charles Sesher Sportsmanship Award.

Tominaga also earned the NJCAA Division I Second-Team All-American honors.

Tominaga transferred to the University of Nebraska on a full scholarship to play for the Cornhuskers.

Due to COVID-19, the NCAA ruled that the 2020–21 season would not count against the eligibility of any student-athlete in any of the organization's winter sports, including basketball, giving Tominaga three years of eligibility instead of two.

He made his debut for Nebraska on November 9, 2021, against Western Illinois, finishing with three points, one rebound and three steals across 18 minutes of play in a 75–74 loss.

On November 27, Tominaga posted a season-high 23 points on 8-of-11 shooting from the field and 5-of-6 from three, along with two assists and two steals in an 83–70 win over South Dakota.

As a junior, Tominaga averaged 13.1 points, 1.3 rebounds, 0.7 assists and 0.6 steals per game, and was named an All-Big Ten honorable-mention.

Among Big Ten players, his average of 20.3 points per game from February 1, 2023, to the end of the season trailed only Zach Edey and Trayce Jackson-Davis.

After initially entering his name into the 2023 NBA draft, on May 31, 2023, Tominaga announced his withdrawal and intent to return to Nebraska for his senior season.