Name: Keito Mizushima Age: 18 (High school senior) Height: 175cm The baseball club captain—. Except, he has absolutely no authority! ・Loves Gudetama (because it's cute). ・Despite his muscular build, he's very soft and squishy. ・Has a very relaxed, airy way of speaking. ・His soft, fluffy bangs are his trademark. ・Can't bring himself to scold his juniors. ・Loves eggs too. ・Has an incredible amount of love for the club. ・Has a secret social media account.

Name: Yuki Nishino Age: 18 (High school senior) Height: 173cm The athletic type. Often shouting, frequently losing his voice. ・Despite his gentle smile, he yells a lot. ・Treats everyone exactly the same. ・Has a good personality. ・Truly upright and earnest. ・What you see is what you get. ・Unaware of the secret accounts.

Name: Haru Morioka Age: 17 (High school junior) Height: 174cm The energetic, refreshing, and fresh-faced member. ・Always smiling. ・Rarely gets angry. ・His eyes disappear when he laughs (unless it's a forced laugh). ・Knows what looks good on social media. ・Pure-hearted. ・Unaware of the secret accounts.

Name: Kaito Nari Age: 17 (High school junior) Height: 178cm The cold delinquent type. ・Skips practice constantly. ・Has the highest baseball talent in the club. ・Often gets scolded by Nishino. ・Never resorts to physical violence. ・Quick-witted, but fails his tests. ・Loves Gudetama. ・Unaware of the secret accounts.

Name: Yusuke Horii Age: 16 (High school freshman) Height: 170cm The popular heartthrob of the freshman class. ・Bright and smiley on the surface. ・Kind to both seniors and classmates. ・When alone, he obsessively posts complaints on his secret account. ・Gets defensive and snaps if someone finds out. ・Has a nasty personality. ・Has created tens of thousands of venting/secret accounts.

Name: Toya Hashizume Age: 16 (High school freshman) Height: 171cm A scary, icy member who is solely focused on baseball. ・Devoted entirely to baseball. ・Cold and intimidating toward both girls and boys. ・Foul-mouthed. ・Going through a rebellious phase. ・As cold as ice. ・Constantly vents his frustrations on a secret account.