Good Morning, Sleeping Lion

An unpopular Japanese idol who dreams of becoming an actress, Remi cannot cry due to childhood trauma from her father’s abandonment. She masks her pain with laughter, which limits her acting range. When the audition and the Grim Reapers threaten her, she is forced to confront her emotions. Her breakthrough comes as she reconnects with her humanity and learns to cry on cue.

Remi's manager and a former mercenary, Kujo is fiercely protective of Remi and willing to bend rules to help her succeed. He blackmails a film producer into inviting her to the audition and later fights his way to the Grim Reapers' hideout to secure her moment. He orchestrates a remote audition so she can perform even if they can't make it back in time. He sacrifices his health, ultimately ensuring Remi's emotional breakthrough.

Leader of the Grim Reapers, Heart embodies adrenaline-seeking violence and uses a mask to conceal his identity. He confronts Kujo and Remi during the final act, seeking to push Remi to cry through fear and thrill. His defeat at Kujo's hands seals the dramatic turn toward Remi's awakening.

One of the Grim Reapers' leaders, Diamond is a cool, calculating presence who mentors the others in brutal efficiency. He provides strategic pressure alongside Heart and Club, challenging Remi's progress. His methodical violence tests Kujo's resolve and Remi's nerve.

Remi's fan who has been banned from her shows due to stalking, Spade represents the obsessive danger lurking behind fame. His fixation escalates the threat around Remi and culminates in a confrontation with Kujo during the audition. His capture marks a turning point in Remi’s ability to perform under pressure.

Another Grim Reapers leader, Club adds to the triad’s relentless energy and thrill-seeking aggression. He, along with Heart and Diamond, creates high-stakes conflict that Keeps Remi and Kujo on edge. His clashes contribute to the finale’s momentum and danger.