Lighthouse is a Japanese variety talk show hosted by musician Gen Hoshino and comedian Masayasu Wakabayashi. The show sees the hosts meeting roughly once a month for half a year, discussing worries. The 1-Line Diaries, short notes written by the hosts in between episodes based on their present thoughts, serve to aid the conversations. Lighthouse was released worldwide via Netflix on August 22, 2023, with six episodes. It saw positive response from Japanese critics, who praised its style and theming. Western reviewers commented that the show was potentially more tailored towards Japanese audiences.