His debut acting role is Rat in Kamen Rider Gaim (2013), and in the following years, he starred in the television dramas Dansui!
Subsequently, he was removed from upcoming projects, including the stage play adaptations of Le Petit Prince and Night Flight.
[10] In December 2020, Shūkan Bunshun published allegations from his ex-girlfriend stating that Ozawa physically assaulted her throughout their 5-year relationship.
[13] After months of silence, Ozawa returned to Twitter on August 12, 2021, posting on his 30th birthday a formal apology for troubling fans and colleagues.
[14] On August 30, 2021, through an interview with the magazine Weekly Josei Prime, Ozawa denied the allegations, saying that he never forced his ex-girlfriend into having an abortion nor hit her stomach, and their sexual acts consisted of BDSM with her consent.
[15] Through an interview with Shūkan Bunshun, Ozawa also commented on the backlash regarding dating his ex-girlfriend when she was still a minor, stating that her family had given him consent to do so.