Welcome Back, Dad! The Hoshina Family's Tanabata.On Tanabata, which also turns out to be Lala's birthday, Hikaru's father Yoichi returns home from his research on aliens and cryptids abroad. As the family prepares a barbecue party to celebrate all three occasions, Hikaru explains how she encouraged Yoichi to go overseas and pursue his dreams, much to the dismay of his father Harukichi, who felt he was just abandoning his family...