1. Do You Believe in Parallel Worlds?

After a rainy accident leaves Cirrus unconscious, Phukan opens his door to a visitor who should not exist.

2. The Identity of the Stranger

A visitor from a parallel world treats Phukan like a lover, sparking confusion and old childhood memories.

3. The Beginning of the Substitute

Phukan searches for a way to return Cirrus to his world while rumors of their romance spread across campus.

4. Closing the Distance

While Phukan questions his friends about their support, a jealous Cirrus decides to confront Jin directly.

5. Truth and Memory

When Phukan falls ill, he finally leans on Cirrus, but a sudden shift suggests a different Phukan arrived.

6. The Meaning of Family

Wim questions Cirrus's motives as Phukan learns the truth about the mysterious senior's difficult upbringing.

7. The Third Cirrus

Cirrus joins Phukan on a somber anniversary, leading them back to a house they once shared in another life.

8. Cirrus’s Time Dimension

While Phukan learns Cirrus has amnesia, two versions of Cirrus confront one another in a hidden dimension.

9. Truth from the Parallel World

Cirrus struggles to escape another dimension to reach Phukan, while a secret about his identity is leaked.