you can be king again is an anime AMV for Hotarubi no Mori e. It has over 96.7 million views.
ReLIFE is not isekai in the traditional sense. The main character doesn't die, and the new world is more familiar than the worlds of the previous entries.
Anime Music VideoAMV stands for Anime Music Video, a type of video edited by fans which mixes anime footage with popular music.
Down in the Research & Development, he is teased yet more by Kento calling him Chizuru's husband, which is not made better by her correcting that they are not married yet. Chizuru tells Arata that she too was surprised by the identity of his subject and asks him to take care of him, and that she trusts he is able to.
And it is that conversation that sparks the memory of each other. Within seconds, they have realized who the other person is, and Hishiro then falls into Kaizaki's arms. So, yes, at the end of ReLIFE, Kaizaki and Hishiro get together again because they remember each other.
MAD is shorted for "music anime douga", similar to "anime music video" aka AMV.
GMV means "Got My Vote."
Slang / Jargon (5) Acronym. Definition. PMV. Picture Music Video.