Shimazu Iehisa

The youngest of the Shimazu brothers, his specialty is tactics and strategy. Despite his young age and boyish looks, he is just as much of a perverted ladies' man as his older brothers are, and relies on his adorable looks to attract women.

While he is highly mature for his age, he is still a child and will complain when things don't go his way.

Like his brothers, he is madly in love with Kurohime, whom he refers to as "Kurohime-neechan". However, unlike his brothers he is fine with her viewing him as a younger sibling as he enjoys having her bake cookies for him.

If recruited into Rance's army he will attempt to court both Ranmaru and Senhime, and if either one's affection rating for Rance is too low, he will combine his unit with their's. If both are at a rating of love with Rance, they will reject him and continue to work on their own.

Trivia
Real world reference: Shimazu Iehisa / 島津家久

He is the second to last Shimazu brother to die in the True Route.

He greatly admires his older brother Shimazu Kazuhisa, who he considers to be incredibly cool.