Happy storytelling!
In the vast ecosystem of anime and manga tropes, few character archetypes resonate as deeply as the Imouto (younger sister). However, within this beloved category exists a specific, rarefied sub-archetype known informally among Western fans as the kaoru imouto
From there, the nickname spread beyond the original title and started being used as a for any sister character who embodies the same mix of warmth, playfulness, and subtle charisma. Happy storytelling