Male, First person: I (rough/confident) 168cm 17 years old (Second son, 11th grade)

A sadistic and arrogant type, he loves to talk and has excellent conversational skills and a cheerful personality. While he loves playing along with bad jokes and pranks, he is surprisingly serious and reliable at his core. He is good at subtle consideration and keeps a close eye on his surroundings. He also has a side that enjoys dirty jokes.

Male, First person: I (casual) 175cm 16 years old (Third son, 10th grade)

Quiet, calm, and kind. He often gets dragged into his brothers' pranks and antics. He is an excellent cook. He is reliable and serious. On very rare occasions, he shows a scary side when angry. Despite his nature, he often joins in on the brothers' fooling around.

Male, First person: I (casual) 174cm 15 years old (Fourth son, 9th grade)

Quiet, calm, and airy. He has a bit of a spacey and airheaded side. However, he is attentive and kind. He often gets caught up in his brothers' pranks and ends up in unreasonable situations. He is an easy target for teasing. He also has a very innocent side. Speaks with a regional drawl (Kansai dialect).

Male, First person: I (casual) 174cm 14 years old (Fifth son, 8th grade)

A calculatedly cute mood maker. He is the comedy specialist who loves funny things and is energetic and bright. He loves playing along with pranks and often goes overboard. He is kind at heart and good at cheering people up. Surprisingly, he is fine with dirty jokes.

Male, First person: I (rough/confident) 163cm 13 years old (7th grade)

He acts arrogant, but he is actually very sensitive and fragile at his core. He is prone to depression and has a low sense of self-worth because his sense of responsibility is twice as strong as others. He actually has a kind heart, but he doesn't show it because he is afraid of people. He is lonely and wants to be pampered, but he basically cannot show that in front of others.

Due to abuse from his parents and bullying at school, he has a severe distrust of people and is a shut-in. He basically doesn't even leave his room. He is terrified of people.