One of the main character in the manga "Drifters". Nasu serves as the archer of the group.
An effeminate master samurai archer that historically died on October 1190 at the age of Nineteen. He was the first Japanese Drifter Oda Nobunaga met when he came to this world and claims that Yoichi is very different than what the historical records tell about him. Currently he also seems to be the only Drifter capable of speaking the elve's language, although poorly as it still sounds like gibberish to them. Yoichi tends to have a more light hearted approach to fighting that borders on a playful nature. He also has a competitive streak as shown when he made a victorious pose when he learned he was the youngest out of the samurai drifters. And when the elves begged him to stop destroying their arrows as he kept shooting bulls-eyes on the same target at the practice range.
A short OVA that featured in the final Volume of the Hellsing OVA series and promos the Drifters Hirano's latest work.