[ First, we should learn what these marks are and what happens when they become visible on the body.
On Planet 00, individuals fall in love only once in their lifetime and remain loyal to that one person for millions of years.
Their love reaches such depths that it forms a bond without the need for physical intimacy.
If the feelings are mutual, a mark appears on both individuals, serving as proof that they can never be separated.
However, for such a bond to form, the love must be reciprocated.
One-sided love is not acknowledged, and no bond is formed in such cases.
