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E1 Awakening
Yuta Hibiki wakes up in the home of his classmate, Rikka Takarada, with amnesia. A voice from an old computer, identifying himself as "Gridman," has a mission for him, but can he even survive the next day of school without his memories?
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E2 Restoration
Yuta and his friends attempt to unravel the mystery of the city and everyone else's memories. However, more questions arise when a strange samurai arrives and tries to tamper with Gridman.
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E3 Defeat
A new kaiju appears which poses a problem for Yuta and Gridman. As a result, Rikka and Utsumi are left wondering if their friend will end up long since dead, just like the other students.
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E4 Suspicion
Rikka and Akane are invited on a group date, but the aftermath is disastrous. Will Yuta be able to convey his feelings for Rikka before it's too late?
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E5 Provocation
A field trip takes the class away from the city for some summer fun, but when trouble occurs so far from home, there's no easy way to get to Junk.
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E6 Contact
A few unexpected encounters leave Yuta and the others in shock. Except, Gridman being hunted down means Yuta is ever in danger.
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E7 Scheme
The others are finding Yuta's story hard to believe. Nobody wants to confront and ask Akane, but in the meantime, Anti has made plans of his own.
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E8 Confrontation
When the Tsutsujidai High School Festival is threatened, the Gridman Alliance must decide how to proceed. Some of them wonder if fighting is the only choice they have.
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E9 Dream
Akane tries to win over the Gridman Alliance by lulling them into a dream. Will they remember each other and Gridman's calling or forever have sweet dreams?
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E10 Collapse
Life goes on when there's a break in the kaiju attacks. However, when Akane's world comes crumbling down, the Gridman Alliance might need help to battle her broken heart.
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E11 Decisive Battle
Disaster strikes on a morning like none other and it's hard to tell friend from foe. Akane seems to have all but given up, but Alexis has other plans in store.
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E12 Awakening
It all comes down to the line as the Gridman Alliance attempts to save Akane, but do they have what it takes to battle the monster within?