Overview
| Birthday | October 24 |
|---|---|
| Age | 17 |
| Height | 174cm |
| Weight | 62kg |
| Blood Type | B |
| Alignement | Chaotic Neutral |
| Likes | Gambling, ramen |
| Dislikes | Plans going further than 3 days, stupidity that affects those around him |
| Natural Enemy | Satsuki Yumizuka |
| CV (JPN) | Makoto Furukawa (Tsukihime -A piece of blue glass moon-) / Takahiro Sakurai (Lunar Legend Tsukihime) |
| CV (ENG) | Dave Wittenberg (Lunar Legend Tsukihime) |
Inui Arihiko (乾有彦) is a side character from Tsukihime and Kagetsu Tohya. He is Shiki Tohno's classmate and best friend. He is a student at Metropolitan Souya High School where he seems to have a crush on Ciel Senpai. When Shiki was living with the Arimas, he often used to hang out with Arihiko. He has a competitive attitude against Shiki yet attentive as well; he is the first to show up when Shiki is sick. He is living with his sister Ichiko Inui, their parents are deceased.
