jealous
The desire to retain something that is perceived to belong to oneself - generally held to be possessions, but on this site largely pertains to the affections and intimacy of another person.
Not to be confused with Envy, which is the explicit or implicit desire to possess something that someone else has.
Touhou artists often use paru paru as the onomatopoeia for jealousy.
See also
The following tags are aliased to this tag: jealousy (learn more).