ตอนที่ 20: ปกป้องของไชน์, หมวกที่หายไปของลูกสาวคนโต, และลูกสาวคนโตผู้ลึกลับ

20

Where the hell is she? When I took my eyes off Chi-chan, she's gone! And no matter where I looked or how many times I searched, I couldn't find Fu-chan's hat... And the mysterious power that Fu-chan had when she was little... Why? How do you know? Fu-chan? This is a three-part mystery series in the middle of summer that will leave everyone who sees it wondering! Can you solve this mystery too? (Source: Official website, translated)