A community is shocked when the bodies of an elderly man and the manager of a home-visit nursing centre are found. The passing of 42 elderly patients is connected to Shiba, a caretaker recognised for his affection and dedication.

The story follows a high school girl who is a young caregiver. She ends up helping the drama club as a lighting assistant, leading to a conflict between her own circumstances of having to manage household chores and caregiving, and the new transfer student who is determined to take the club activities seriously. It's a fresh and heartwarming tale of a girl coming to terms with her true feelings that she has kept buried deep inside.

The setting is a recruitment examination for an IT company, there are six finalists who are given the task to build a team and hold a discussion in one month's time. So, they deepen their interaction with each other so that all to receive offers. But soon they will find that the assignment has been changed and there will be only one succeosor. 6 envelopes are found in the discussion room which contain accusations of the "crimes" of each of the six. Who is the liar? The ultimate psychological battle begins.