Yuriy Davidovich Sharapov

Likes: his daughter (Tatiana), research, tempura
Skill: knowledge of science in general
Role: deputy director of Hokuren Institute of Physical and Chemical Research

Born in Russia. He is a scientist working as the deputy director of Hokuren Institute of Physical and Chemical Research. He is Tatiana's father as well as an old friend of Owari and Iruka No. 2 from their college days. While he is a rational scientist, he loses control over himself and turns into a doting parent when talking about his daughter Tatiana. However, he is busy as the deputy director and doesn't get to spend much time with her.