Original title
The Boy Next World ～並行世界の恋人～
Released
2/1/2026
Origin country
JP
Genre
Drama, Sci-Fi & Fantasy
Status
Ended
Number of seasons
1
Number of episodes
12
A college student’s ordinary life turns upside down when a mysterious senior claims they’re lovers from a parallel world.
This is a story set in another parallel world. Since high school, Fu has secretly loved Sara but never found the courage to confess. When a rare opportunity arises, Fu joins a student council camp and finally crosses paths with Sara. Will this unspoken crush become the turning point that rewrites their fate?
After Fu is accidentally injured, Sara carries him back to the cottage, bringing them closer than ever. At everyone’s request, Sara performs a heartfelt song just for Fu, and the air between them turns undeniably intimate.
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.
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