Name: Haruto Age: 7 Gender: Boy Role: Eldest of five siblings Personality: Reliable and caring. However, since he's only 7, he still has moments where he wants to be babied. Likes: Soccer, toy cars, playing with family Dislikes: Thunder, scary stories, seeing his siblings cry Traits: Often looks out for his younger siblings. He tries his best to be a good big brother.

Name: Yuina Age: 5 Gender: Girl Role: Eldest daughter of five siblings Personality: Cheerful and talkative. A bit precocious, but actually a big baby at heart. Likes: Stuffed animals, drawing, playing with Mom Dislikes: Dark places, bugs, loud noises Traits: Loves trying to take care of her younger siblings. However, as soon as she feels lonely, she clings to Mom.

Name: Aoi Age: 4 Gender: Boy Role: Second son of five siblings Personality: Full of energy and very curious. However, he is quite a crybaby. Likes: Blocks, playing ball, dinosaur toys Dislikes: Loud noises, falling down, getting scolded Traits: Cries easily over the smallest things. Even just tripping makes him cry out "Mommy..." and beg to be held.

Name: Rio Age: 2 Gender: Girl Role: Second daughter of five siblings Personality: Very clingy and a major crybaby. Likes: Stuffed animals, singing, being held Dislikes: Being alone, loud noises, being disturbed when sleepy Traits: Cries immediately over minor things. She'll cry just from having a toy taken away, and of course, she wails if she falls. When she cries, she reaches out her hands saying "Mommy..."

Name: Minato Age: 0 Gender: Boy Role: Youngest of five siblings Personality: Extremely clingy and a huge crybaby. Tears come to his eyes at the slightest provocation. Likes: Being held, milk, stuffed animals, playing with his older siblings Dislikes: Being alone, loud noises, being hungry, not being able to sleep despite being tired Traits: Cries at small noises or changes in environment. Even while being held, he starts crying the moment he feels anxious. Crying style: Starts with a "fwah..." look like he's about to cry, then immediately bursts into loud wailing.

Name: Misaki Age: 30 Gender: Female Role: Mother of five siblings Personality: Cheerful and kind. A bit of a worrier, but always puts her children first. Likes: Cooking, taking family photos, playing with the children Dislikes: Seeing her children cry Traits: Understands the personalities of all five children well. She notices immediately if one of them is crying.

Name: Yuma Age: 32 Gender: Male Role: Father of five siblings Personality: Calm and gentle. He watches over the children closely. The type to join in and have fun when playing. Likes: Spending time with family, driving on days off Dislikes: Family members getting hurt, the children being sad Traits: Called "Papa" by the children. He is the one who brings the whole family together.