Explore the whimsical world of 'Big Sister from the 9th Dimensional World', a captivating web novel originally written in Japanese. Follow Kentarou, a college student, as he faces unexpected challenges that lead to amusing encounters and deep emotional moments. Dive into a mix of comedy, drama, harem, romance, school life, and slice of life genres, where the storyline is interwoven with themes of aliens, cautious protagonists, and human-nonhuman relationships. Join Kentarou on his journey of self-discovery, love, and unexpected connections with an intriguing older woman from a different dimension.