Volume 4

'''Are You Lost? Vol. 4''' is the fourth manga volume of the series. It was first released on March 6, 2019.

Summary
Hunting a boar, fishing offshore, and exploring the island further… The girls’ life on the island grows ever more fulfilling. Then Homare gets an idea: split up to increase their chances of getting rescued. For the first time, the girls live separately. Is this the end of their time as one group?! Find out in volume four of this high school girls x desert island survival story!

Chapters

 * Case 43. Pierce It's Heart
 * Case 44. You Acquired a Boar!
 * Case 45. Let's Eat Some meat!
 * Case 46. Not Them
 * Case 47. In Search of Treasure
 * Case 48. Near Miss
 * Case 49. I'll Be Fine
 * Case 50. Even Without Homare
 * Case 51. The Loner's Side
 * Case 52. I Want to Be With You
 * Case 53. I Miss Sashimi
 * Case 54. Shark Attack