: The episode highlights Shii’s loneliness; despite her family's wealth, she often lives alone, finding a true "place to belong" with the DIY Club members.
: Kokoro Kouki (nicknamed Shii ) makes a literal "drop-in" to the club by falling through the ceiling of the clubhouse.
: The tech-loving Jobko (Juliet) feels a bit challenged by Shii's sudden appearance and attempts to show off her own skills, though she eventually bonds with the group over the hard work of dismantling pallets. Do It Yourself!! Episode 5
: It is revealed that the club's advisor, Haruko , has known Shii since childhood and looked after her while Shii's wealthy parents traveled for business. Notable Character Moments
: To help organize the clubhouse and prep for the treehouse project without overspending, Shii suggests using discarded wooden pallets. The girls learn to dismantle these pallets—a labor-intensive task—and repurpose the wood to build a wall shelf . : The episode highlights Shii’s loneliness; despite her
: Despite being a student from the elite, high-tech Yuuyuu Vocational School, Shii is eager to join the Gatagata DIY Club. Club president Rei is initially hesitant but accepts Shii after witnessing her physical strength in an arm-wrestling match.
Do It Yourself - The Enthusiastic DIY-Interested Cat Smile Girl : It is revealed that the club's advisor,
: In a rare break from tradition, the perpetually clumsy Serufu manages to avoid her usual trip to the school nurse for an injury this episode.