#9 My Younger Sister and the Elf’s Island

"It’s a so-called 'Summer Time Reporting & Writing Camp!’" With Elf's spontaneous idea, the light-novel authors end up vacationing to a southern island. Although a little caught off by an extravagant vacation home owned by the Yamada family, they all manage to relax and have a good time. Meanwhile, Elf tells Masamune to act as her boyfriend. Using “reporting” as an excuse, she is even more assertive than usual, but what could be her true feelings hidden behind her merry smiles--.