All chapters of Four-Room Apartment Diary
- 1. Chapter 1 : The Beginning of Cohabitation
- 2. Chapter 2 : The Chef Joins
- 3. Chapter 3 : Teacher-Student Conflict
- 4. Chapter 4 : Budding Feelings
- 5. Chapter 5 : Family Pressure
- 6. Chapter 6 : Outdoor Accident
- 7. Chapter 7 : Emotional Progress
- 8. Chapter 8 : Gaming Romance
- 9. Chapter 9 : Brotherly Issues
- 10. Chapter 10 : Singing Competition
- 11. Chapter 11 : Emotional Crisis (Revised)
- 12. Chapter 12 : Health Crisis
- 13. Chapter 13 : Family Opposition
- 14. Chapter 14 : Career Choices
- 15. Chapter 15 : Emotional Decisions
- 16. Chapter 16 : Major Decisions
- 17. Chapter 17 : Crisis Management
- 18. Chapter 18 : Relationship Establishment
- 19. Chapter 19 : Academic and Career Success
- 20. Chapter 20 : Entrepreneurial Beginnings
- 21. Chapter 21 : Health Recovery
- 22. Chapter 22 : Family Reunion
- 23. Chapter 23 : Career Peaks
- 24. Chapter 24 : Wedding Preparations
- 25. Chapter 25 : Business Expansion and Musical Achievement
- 26. Chapter 26 : Major Celebration
- 27. Chapter 27 : Future Planning
- 28. Chapter 28 : Group Wedding
- 29. Chapter 29 : Ending Outlook
- 30. Chapter 30 : Diary-Style Epilogue
