Aoba Hashibira ( 嘴 ( はし ) 平 ( びら ) 青 ( あお ) 葉 ( ば ) , Hashibira Aoba) is the great-grandson of Inosuke Hashibira and Aoi Kanzaki. He is a well known Botanist Age: 28 Hair Color: Black Manga Debut: Chapter 205 Personality. Unlike his ancestor, Aoba has a timid personality and is incredibly intelligent. Being the botanist in charge of researching the Blue Spider Lily, he held a press conference to apologize to the public for a mistake in their research.