A Couple of Cuckoos (2022)

S1E22 I'll Be There With You

As Erika, Hiro, Sachi, and Nagi continue their stay at the beach house, they uncover hints regarding the whereabouts of Erika's missing older brother. Fueled by this discovery, Nagi decides to embark on a search for him, with Erika accompanying him as they explore the surrounding town.