Speaking: Hello

Sigh language: 'hello'

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A few days after the so called "Issei had a girlfriend who revealed to be a fallen angel and killed him" incident and no one remembered it so Otto ignored everything that happened after that.

Otto: (Welsh) llawer mwy o gur pen (cythreuliaid) i ddelio ag ef. (great more headaches (devils) to deal with.)

He said to himself as he sat underneath an Old Oak tree far away from the Perverted Trio as he opened his book and started reading, as he read his book, a few students spoke about a new student joining the school and with the same class the "Queens" or whatever. Otto viewed them as nothing more than a nuisance for the future. The boys were a whole different story.

Boy1: hey it's the new girl.

Boy2: do you think I get to be my girlfriend?

Boy4: you don't stand a chance, I heard that Otto-Senpai could win any girl's heart just by looking at them.

Boy3: oh look it's Y/n-chan walking up to Senpai right now.

As Otto looked up and was surprised would be a understatement, her eyes which had a beautiful ruby colored eyes, and soft almost silk like brown hair, she was hearing the school coat but she had a black sweater on and necklace on, that pulsed lightly a soft blue, she is Y/n Hyoudou the older sister of Issei.

???: 'hello.'

Otto: 'hello, how can I help Y/n-Chan?'

Her cheeks turned pink, was she bushing? If so Otto if was younger would have on berserk on happiness. But shook off those thoughts before Y/n sign language again about making friends, and Otto didn't really make any friends here. So he smiled and accepted her offer and Y/n cheeks turned red before calming down and asking him a question while sitting next to him curious about the book he was reading.

Y/n: 'what are you reading?'

Otto: a story about a beast born from Atomic Testing in the Early 1950's which created a monster never before seen one that even rival the gods.

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After school ended we see Y/n and Otto walking together talking about things (even the two keep secrets best be kept buried) as Otto was still reading a book, until a dark barrier appeared over the two, and both noticed the lack of other humans nearby.

Otto's eyes changed from Steel grey to amber orange in a second as he pulled Y/n behind him, confused by what was happening. As two figures appeared one being a man with flora hat on and coat on with the belt strapped around his waist, the other being a fairly tall woman with long blue hair and dark blue eyes wearing a woman's jacket with her cleavage exposed, and wearing a short dress that just below the lower waist.

Man: so it seems we have a sacred gear users among us.

Woman: agreed let's see how long they last against us.

Otto: I won't let you two hurt her.

Y/n: *shocked but didn't say anything being new to this*

Man: my name is Dohnaseek and that's Kalawarna and we will be the last thing you see.

Otto: we will see about that.

(Plays Hero [Remix] by Skillet)

[There should be a GIF or video here. Update the app now to see it.]

A deep menacing voice can out of Otto and His appearance changed as his dark color hair became Grey and light gray, and his eyes changed, he had scaly arms and four fingers each equipped with claws and his feet changed the same way, but the most noticeable difference was his dorsal plates and his tail, Dohnaseek noticed this and a cold sweat appeared on his forehead as his looked in horror as Kalawarna looked the same as two black crow wings appeared from their back and took flight as two light spears appeared in their arms.

Kalawarna & Dohnaseek: Die!

As they threw their spears Otto (Gojira) grabbed the one almost hitting Y/n, as Y/n had a terrorized look on her face, as Otto's back lit up bright blue as he crushed the spear in one hand as he flicked the second and sent it flying the other side hitting the ground harmlessly. As a humming sound came from Otto as his mouth was spewing blue atomic mist as the Dorsal plates glowed a pretty light blue color letting Y/n get lost in its beauty as Otto's mouth opened up a little more than usual as his mouth was glowing brighter and brighter before a Ray of pure Atomic Fire in a single beam like breath hitting Kalawarna head on her screams of agony and pain was soon silenced as the beam passed right through her and soon disintegrating her into nothingness as not even ashes remained. As Smoke was coming out of Otto's mouth as he stared at Dohnaseek with A promise of Domination, death and destruction to anyone in his way or his first friend. Dohnaseek who was now both Terrified and horrified by the lost of his partner and ally to the Grey dragon emperor. He didn't say anything before leaving the area, as Otto's appearance changed back into his normal human appearance he looked back see Y/n sitting there with a surprise face and said "answers now"

Otto sighed sadly knowing that he was screwed in more ways in one, he just nodded saying I'll spill the beans. And followed Y/n to her House but she was pulling on his ear the whole way there...