On September 21, 2020, it was revealed that Shotaro, along with Sungchan, will be debuting in NCT with the album NCT Resonance Pt. 1.[1] He was officially introduced in the V Live broadcast on September 23.[2]
On October 12, he made his official debut under the sub-unit NCT U, as a part of the NCT's 2020 project NCT Resonance Pt. 1, with the song "Make A Wish (Birthday Song)".
Trivia
He is one of the four members of NCT who was not a part of SMROOKIES before the group's debut.