Silent Communication.
There is one thing in particular between the countless bloodways within your body — from heart to little finger. They are connected due to the ulnar artery. The little finger is the true “representative” of the heart, which is why many cultures use this finger for reconciliation, promises, and similar actions.
Well, according to Japanese legend, this connection — between the heart and the smallest finger — doesn't end with the little finger. An invisible red thread “flows out” from the little finger, which finally and firmly connects us to other people's threads, that is, to their hearts.
Those who are bound by these threads are