関連キーワード
1. Yasutaka Tsutsui
2. Parallel worlds
3. Love
4. Science fiction
5. Narrative structure
6. Multiple realities
7. Interdimensional relationships
8. Metafiction
9. Postmodernism
10. Identity
11. Time travel
12. Multiverse
13. Quantum mechanics
14. Existentialism
15. Philosophy of love
16. Human connections
17. Technology
18. Japanese literature
19. Reality vs. fiction
20. Paradoxes
21. Alternate dimensions
22. Self-discovery
23. Psychoanalysis
24. Love triangles
25. Interplay between universes
26. Fantasy elements
27. Cultural context
28. Fictional worlds
29. Gender dynamics
30. Symbolism