Isekai no Seikishi Monogatari

異世界の聖機師物語

In "Isekai no Seikishi Monogatari," Kenshi, the half-brother of the legendary galactic hero Tenchi Masaki, is unexpectedly whisked away to the realm of Geminar. To get back to Earth, he is given a secret mission: assassinate a target using a bio-mechanical weapon. However, his plan goes awry when he gets captured, and he learns that those who sent him had deceived him. Princess Lashara steps in to offer him shelter within her own faction. As Kenshi tries to survive the treacherous political landscape of Geminar and fend off constant pursuit from its people, he must also contend with the outbreak of a civil war, which further complicates his goal of returning home.

Adapted to anime

Tenchi Muyo! War on Geminar

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