Pictures with a line that forms a heart-shaped loop. It's not really important if it's supposed to be an actual string, it may be a ribbon, a typographical element or a background decoration, etc.

The equivalent Pixiv tag is ラインのハート, literally "heart made of a line".

Komeiji Satori and her sister Komeiji Koishi sport these frequently.

See also

• red string
• heart tail

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