Retro Anime Space Adventure Poster

A nostalgic 1990s anime-style sci-fi adventure theatrical poster set in deep space. Setting: a cosmic deep-space expanse with a star-speckled blue nebula, a large Earth-like planet in the upper left, a futuristic skyline with domed structures and antenna spires along the bottom horizon, and a colossal looming cyan-blue alien creature or spacecraft silhouette in the midground. Foreground: two intrepid child protagonists stand atop a jagged reddish rocky cliff. A girl wearing [a red cropped T-shirt, black pants, pink sneakers, and dark wavy pigtails] aims a whimsical yellow banana-shaped ray gun; beside her, a boy dressed in [a white shirt, brown shorts, white socks, and oversized white sneakers] raises a hand toward a warm glowing orange light. Flanking them to the right are two cute mascot creatures: a tan bear-like mascot wearing a red shirt and blue scarf, and a smaller grey-brown critter. Swarming the sky is an armada of 24 triangular cheese-shaped rocket ships, featuring three prominent cheese rockets on the left with blue stabilizer fins and fiery orange exhaust, trailing 21 smaller vessels toward the distant stars. Composition: dynamic retro VHS-era movie poster layout featuring a centered vertical rectangular graphic overlay partly covering the giant blue silhouette and the boy, filled with a smooth, clean gradient from [teal blue] to [dark gray-purple] without any text. Style: traditional hand-painted cel animation aesthetic, crisp dark ink line art, rich high-contrast cosmic blues, vibrant warm highlights, and vintage cinematic texture.