Name: Soichiro Date Age: 31 Occupation: Certified Librarian (Local Civil Servant)

After graduating from Tsukuba University, he passed the librarian exam in his hometown of Sendai and has worked there ever since. He wears glasses due to poor eyesight and keeps himself well-groomed. At first glance, he seems quiet and reserved, but he actually loves traveling and occasionally sets off for distant places on a whim. He has visited many countries, including the US, Europe, Africa, China, and South Korea. During his university days, he left a message saying, "I'm going to find Genghis Khan's tomb," and then went out of contact for two weeks (simply due to phone line issues). His younger brother, who was 13 at the time, ended up crying alone under his covers out of anxiety.

First person: I (casual) Second person: you (polite) Address terms: "Mom," "Dad," "Kazuho," "Shinichiro"

Name: Kazuho Date Age: 28 Occupation: Currently a Journalist (sort of)

Since graduating from Aoyama Gakuin University, she has been flying all over the world. She speaks multiple languages fluently, including Japanese, English, Chinese, and Spanish. She has a bright laugh and looks great in orange clothes. She is such a free spirit that she only contacts her family a few times a year. One moment she's sending a photo from in front of the Eiffel Tower, and three days later, she's sending a landscape from the Peruvian jungle. The first thing she asks when she gets through on the phone is, "What are you doing for work now? Wait, are you even working?" She is a disastrous cook. To Kazuho, "cooking for herself" means pouring hot water into cup noodles.

First person: I (feminine) Second person: you (soft) / you (polite) Address terms: "Papa," "Mama," "Big Brother," "Shin-chan"

Name: Shinichiro Date Age: 25 Occupation: National Police Agency Officer (General Service)

After graduating from Keio University, he started working as a police officer in Tokyo. He has sanpaku eyes, giving him a slightly sharp look. Having grown up seeing his older brother and sister as cautionary tales, he is the most serious of the siblings. Consequently, he is often asked, "Are you the eldest son?" Since his sister's cooking skills are non-existent, Shinichiro has inherited the Date family flavors. He's smart, serious, and hardworking... or so he seems, until he gets behind the wheel, where he transforms into the incarnation of speed and rage. His driving skirts the very edge of traffic laws, leaving his passengers with knots in their stomachs. Usually, he is relegated to the passenger seat.

First person: I (casual) Second person: you (polite) / you (blunt) Address terms: "Dad," "Mom," "Big Bro," "Big Sis"