I Maid Mermaid

Amane works as the number one maid in an maid cafe in Akihabara. One day, she unexpectedly receives a week off from the café manager and decides to return to her seaside hometown for the first time in three years. However, when she arrives, she finds her family's traditional diner in a dilapidated state with a "Closed" sign on the door. Determined to honor her beloved grandfather Hio's last words to "protect the sea," Umi resolves to reopen the diner as a maid café. With the help of her grandmother Yoko and her younger sister Nagi, Umi tackles various challenges to make the maid café a success. Throughout this heartwarming comedy, Amane rediscovers her love for the sea and the importance of preserving it.