He married a woman in her late 20s and their son was born in 2022. Read more at straitstimes.com.
https://www.straitstimes.com/life/entertainment/actor-teruyuki-kagawa-accused-of-sexual-harassment-tied-the-knot-in-2022#:~:text=Shukan%20Shincho%20reported%20in%20August,programme%20which%20he%20hosted%20regularly.