Otu played for and is a product of the Dreams FC youth side Still Believe FC. He was promoted to the senior team in 2019.[2]
Club career
In December 2019, Otu was promoted from the senior team in January 2019, ahead of the 2019–20 Ghana Premier League season. On 5 January 2020, he made his debut in a 1–o victory over West African Football Academy (WAFA), coming on in the 57th minute for Emmanuel Ocran.[3] He scored his On 27 January 2020, he scored his debut goal after scoring a consolation goal in the 90+ minute in a 2–1 loss to Ebusua Dwarfs.[4][5] He went on and played 10 league matches and scored in 1 before the league was cancelled as a result of the COVID-19 pandemic.[6]
After playing for fellow Ghanaian side Vision FC in Ghana Division One, on 1 April 2024, Otu signed with Finnish Veikkausliiga club SJK organisation. It was also announced that he will be loaned out to Ykkösliiga club Salon Palloilijat (SalPa) for the 2024 season.[8] On 4 July 2024, Otu was further loaned out to Ykkösliiga club KTP.[9] On 27 August, KTP exercised their purchase option and signed a permanent contract with Otu until the end of the 2026 season.[10] KTP won the 2024 Ykkösliiga title and were promoted to top-tier Veikkausliiga.