どうして…？

https://video.twimg.com/ext_tw_video/1508628873201827842/pu/vid/1280x720/9oSdScoQ9LAY67q0.mp4
https://video.twimg.com/ext_tw_video/1508538320577568769/pu/vid/1280x720/RrtdbKunjzmNP-1c.mp4
https://video.twimg.com/ext_tw_video/1508546137707331586/pu/vid/1280x720/tImWkZWRpV1j3TRz.mp4