Hisashi Izumi

Thirteen years after their sudden disappearance, an alien race known as the Heterodyne resurface without warning. To combat the Heterodyne, three office workers from the 21st Century Security Corporation operate Dai-Guard - a giant robot no longer regarded as an oversized paperweight. Unfortunately, Dai-Guard is somewhat obsolete and in disrepair. It's a tough job, but salarymen can also save the world. (Source: ANN)

Gawl, Koji, and Ryo, three young scientists from the future, time travel to early 21st-century Japan to stop a terrible threat from undoing civilization. As they fight against time, their quest disrupts the lives of the townspeopl...

Tairaku, a local high school teacher, lives an ideal personal and professional life until Aya, the beautiful daughter of a very wealthy and powerful yakuza boss, enters his classroom.

Only Koji and the Autobots can save the Earth from the evil Predacons! The Predacons have been battling the Autobots for thousands of years, but this time, they've kidnapped the world's greatest minds, including Dr. Onishi, a brilliant scientist. Optimus Prime, the leader of the Autobots has dispatched his troops to try to save Onishi and the others, enlisting the help of Koji, Onishi's son. But can these heroes outwit the evil Megatron, leader of the Predacons in time to save the Earth?