A student at Tokyo Denki University studying electrical engineering. He is an avid fan of both two-dimensional and three-dimensional anime girls, often using @ch terminology in conversation. While some of his comments may be perceived as sexual harassment, he has a close friendship with Rintarou, whom he's known since high school. Although he frequently rejects Rintarou's outrageous requests as "annoying," he secretly completes them in the correct order. Despite this, he trusts Rintarou and values his companionship. He is highly confident in his programming abilities and hacking skills, often referred to as a "Super Hacker." However, he dislikes being called "Super Haker" and prefers to spend most of his time at the computer. His nickname is "Daru," short for his name.
Like Nae as well as the other Steins;Gate and Chaos;Head characters, he now works for Sawadas secret organization. When it is revealed that Iru-o cann
It was later revealed in the series that he is Suzuha's father, pointed out by Mayuri.In the future of the Alpha Attractor Field, he and Okabe became the founders of the resistance against SERN's rule (in the side story "The Far Valhalla," it's revealed that SERN released them after their capture so that they could found the resistance, thus completing the cycle of fate). He met his wife, a cosplayer named Yuki Amane, in the Winter Comiket after returning from SERN's headquarter in France.
Like Nae as well as the other Steins;Gate and Chaos;Head characters, he now works for Sawada's secret organization. When it is revealed that Iru-o cannot be trusted as it was created by Kimijima, he creates a replacement, "DG297 3rd Edition ver.4.11." He also creates the virus which defeats Kimijima. He does not have any speaking roles, however, and is only mentioned in passing. As of 2019, he is already married and has a daughter.
After Okabe was killed in 2025, he continued with the research of the time machine and invented one in 2036. After that, he was assassinated. His time machine is what Suzuha used to travel to the past, but as it was incomplete (unlike the time machine Kurisu made in 2034), it couldn't be used to travel to the future.
It was later revealed in the series that he is Suzuhas father, pointed out by Mayuri.In the future of the Alpha world line, he and Okabe became the fo
"DaSH" is read "Daru the Super Hacker," but he temporarily calls himself "DaSP" ("Daru the Super Programmer") in the final chapter.