After a day of disasters, Fu's life is upended when elite senior Sara appears to claim they are now lovers.

Parallel world Sara launches a bold, straight-on pursuit, declaring he will win over Yotsube of this world all over again!

Fu helps Sara search for a way home, but their constant closeness ignites campus rumors about their true bond.

As Fu falls sick, Sara stays close—only to wake beside a stranger, signaling worlds colliding and love tested.

Sara nurses a feverish Yotsuba, but wakes to a different him—while confessing family wounds the next day.

Rana tries to buy Kaede’s silence as secrets surface—and Sara’s brother arrives with unknown intent.

On the anniversary of his father's death, Kaede and Sara bond, while Taiga finds himself on an unexpected date with Jin.

After the accident, Sara forgets Kaede entirely, leaving him heartbroken, as two versions of Sara meet in a mysterious white room.

Fu bids farewell to amnesiac Sara, but his desperate call echoes across worlds, awakening buried truths.

Shaken by the truth of parallel worlds, Fu pushes Sara away until a strange clue rekindles hope for love.