Charm Point 1: Sister's Rondo

The anime centers on two sisters attending the same college. One sister works as a teacher, while the other is a student. Both sisters share a commonality: they are romantically involved with college-aged boys. However, their experiences in love diverge significantly. The younger sister grapples with a boyfriend who seems hesitant or unable to satisfy her desires. Conversely, the older sister encounters a different challenge, facing a boyfriend whose romantic advances are more frequent. The series explores the sisters' contrasting romantic lives, highlighting the different struggles they face within the context of their college setting and relationships. The narrative focuses on the sisters' individual experiences and the thematic exploration of intimacy and relationships.