ケツ弄り：length確認

https://gyazo.com/7f603b1c796d18e3142a37251507efd5

https://gyazo.com/28d4b80e82d6ac62d71323dcccdc56ea

https://gyazo.com/9fee709c7aca59154a43e28b9f8ce533

https://gyazo.com/ab525e8a56ad5535422ec2f53f53c9f8

https://gyazo.com/2f8ddce22b01bbbca12cdb6c5c39d39b

https://gyazo.com/44165d338ac06b5e0137b226738d9c73

https://res.cloudinary.com/nifsb/image/upload/v1609323435/nl2020/31C46A58-B59B-4A88-8218-CE750CCA339B_y0hxwz.gif