Hinako is the executive assistant to the CEO of Relation Gate, a startup company growing at breakneck speed. Apt to listen to his gut feelings, her boss bombards her day in and day out with tall orders he concocts on a whim. Life is far from chill for Hinako, who hasn't had a boyfriend in six years. She barely even has time to sit and think carefully about her future. Each long workday ends with the same toxic thought, "I find no meaning doing this!" as she clutches a beer and lets out a huge sigh.
Kazuto Ishikawa is a first-class architect. He is married to Kiyomi. They have a son, Tadashi, who attends high school and a daughter, Miyabi, who attends middle school. They live together in a refined home, designed by Kazuto. An injury causes Tadashi to quit playing soccer. Since that time, Tadashi often stays out all night without permission. One evening, Tadashi leaves home and does not return. Kazuto and Kiyomi become worried about their son and consider going to the police. News then reveals the murder of Tadashi's classmate. The police suspect that Tadashi might be involved in the murder.
After Nanase's father drops dead due to a drug that causes temporal death for 2 days, she is named the president of his pharmaceutical company. Nanase endeavors to prevent her father's enemies from prematurely cremating his body before the drug can wear off and allow him to revive.