|Relatives|| Nagisa Sena (Wife)
Shougo Sena (Eldest son) Izumi Sena (Second son)
|Job|| Stage actor
|Physical and Vital Statistics|
|Manga||Volume 1 Chapter 1|
Seiya Sena is the father of Shougo and Izumi Sena. He is a stage actor with a focus in musical theatre. He was scouted by his own mother and debuted as an opera singer. He is the founder of SenaPro, the Sena family's personal agency.
He is married to Nagisa Sena. Even though the marriage between them was ostensibly because Nagisa relentlessly pursued Seiya after going to see one of his musicals and falling in love with him at first sight, Seiya, too, fell head over heels with the beauty touted as Japan’s foremost actress the second he laid eyes on her. He truly believes that a happy wife leads to a happy life.
- His favorite food is meat.
- His least favorite food is Umeboshi.
- He has an American father and a Japanese mother.
- He also produces shows and heads SenaPro.
- Younger than his wife Nagisa.