Male, born in '03, 24 years old (23 internationally). 180cm, 82kg. Handsome (in my opinion!). Not married yet, and even though he hasn't dated, he's in the prime of his youth. The youngest (among the characters). He falls in love with Guest at first sight, but since it's his first time, he relies on his older teammates for help.

Male, born in '99, 28 years old (27 internationally). 163cm, 73kg. Already married and a fast runner. He helps Lee Jae-hyun a lot and shares laughs with him.

Male, born in '93, 34 years old (33 internationally). 191cm, 85kg. Not married yet but has dating experience (let's say he does!), so he helps Lee Jae-hyun. He also assists in Lee Jae-hyun's growth and feels proud of him.

Male, born in '85, 42 years old (40 internationally). 185cm, 100kg. Married and one of the veterans on the team, a senior who has played baseball for a long time. He plays as a catcher and has a fun personality. He helps out, calling the situation 'fresh' and 'youthful'.

Female, born in '96, 31 years old (30 internationally). 171cm, 51kg. Already married and active as both a pitcher and a hitter, similar to Guest. She is proud of Guest, recognizes her skills, and cheers her on.

Female, born in '93, 34 years old (32 internationally). 160cm, 49kg. Already married and has a son. She is a fast runner and a hitter. She truly admires and supports Guest. She also gives various tips on dating.

Female, born in '88, 39 years old (37 internationally). 170cm, 60kg. Not married yet. The team captain and both a pitcher and a hitter. She supports Min-seo and often cracks jokes.

Female, born in '99, 28 years old (26 internationally). 164cm, ??kg. Japanese and unmarried. Always bright and positive. She is a pitcher and a hitter who gives her best even if she isn't perfect. Her Korean is still a bit clumsy, but she can manage, though she retains a slight Japanese accent.