1. He's Your Responsibility Now

Bu Shi's father assigns Ever 4 to discipline his son, and the two meet.

2. Play Nice or Go Head-to-head

Ever 4 becomes a part of Bu Shi's life, and when a conflict flares up, Ever 4 resolves the situation for Bushi.

3. In Times of Need, You Are Mine

Ever 4 encourages Bu Shi to be himself and saves him from danger at a party.

4. I'll Take Responsibility for the Consequences

Bu Shi is delirious from being drugged, and afterwards, he opens up to Ever 4 about his feelings.

5. Who Did What to Whom?

Ever 4 asks Ever 9 about how to get along with his master; Bu Shi gets some advice on how to interact with Ever 4.

6. I Am Your Unique Existence

Ever 4 helps Bu Shi have an unforgettable birthday, but Bu Shi and his father get into a fight again.

7. Wherever You Go, I’ll Be There With You

Bu Shi's father finds out about the financial assistance his son has been giving one of his friends, and the two of them get into a fight which Ever 4 tries to defuse.

8. You're One of a Kind

Ever 4 takes a part-time job as an escort, however, his decision also upsets Bu Shi.

9. Was the Price Worth It?

Ever 4's company issues him a final warning, forcing him to leave Bu Shi through physical pain. However, an even greater problem emerges.

11. No One Else, Only You

Bu Shi finally finds the courage to tell his father how he feels about his pain and towards Ever 4. Now his biggest problem is how to stay with Ever 4.

12. Happiness Is Great, Don’t You Think?

Bu Shi and Ever 4 have finally ended up together, but how will the relationship between man and machine last despite their differences?