A blend of Sword Art Online and Steven Universe.
>Open with protagonist, an ambiguously brown unlucky everydude, playing retro games on Switch Online
>Trying to speedrun like his estranged dad
>People at school make fun of him for playing "baby games", while they play some shitty mobile gacha that is carefully designed to not remind people of Fire Emblem Heroes
>Gets sucked into his Nintendo Switch and becomes a CalArts version of himself dressed like Mario
>Forced to fight Bowser in Odyssey
>Grabs nearby feather and turns into Cape Mario
>"Huh? Quit cheating, bub!" etc.
>"Fine! I'll show you what a real cheater can do! Hope you like your new 'powerup'!"
>Pulls out Super Crown
>CalArts reflects it like in Smash Bros
>Bowsette forced to follow MC around to get rid of crown
>Becomes tsundere maingirl
>Journey as Nintendo heroes, using old powers, acquiring harem, beating bullies from school and eventually finding Dad also got sucked in