"Aneki... My Sweet Elder Sister" has gained popularity for its endearing characters, engaging storyline, and the way it balances comedy with emotional depth. It's a series that appeals to audiences looking for a feel-good, entertaining anime that also delves into the nuances of sibling relationships.

: The elder sister, who upon her return, shakes up the household dynamics. Her character is multifaceted, showcasing a mix of maturity, playfulness, and an overwhelming desire to care for Takumi.