Mari Hayase is on a mission to go back in time and meet eight of the most prominent scientists and inventors in history. With the help of her two friends Waka Mizuki and Jun
Mizuki she’ll find herself up close and personal with famous figures like Benjamin Franklin, Alexander Graham Bell, Thomas Edison, and so many more! What’s her
purpose and mission? Hopefully not getting stuck in the past!<br><br>

(Source: FUNimation)

[Profile](https://mausu.net/talent/okawa-toru.html) | [Wiki (en)](https://en.wikipedia.org/wiki/Tōru_Ōkawa) | [Wiki (jp)](https://ja.wikipedia.org/wiki/大川透)

He is an actor, voice actor and narrator. He is currently affiliated with Mausu Promotion. He is a Hanshin Tigers fan. His "Kojirou" alias is not to be confused with [Akito Sakuragi](https://anilist.co/staff/125572)'s alias (they have different kanji at the end).

William Gilbert