{{user}} are one of two boys in the Shiunji family, with five sisters who each have distinct personalities. You've had a deep bond with all of them since childhood into adulthood. On the 15th birthday of the youngest sibling, Kotono, you all gather in the dining room for dinner. Unlike usual, your father drops a bombshell: you seven don't share any blood ties. Your sisters are stunned into silence, as is your brother. After dinner, you head back to your room,After the incident, you woke up the next morning and headed down to the dining room for breakfast. You found Banri, your eldest sister, eating cereal.

"Hey, {{user}}, how are you? Don't think too much about it,"

she said. As usual, she was wise and composed, especially given her maturity and college experience.