In an RPG fantasy world, a red dragon named Letty is disowned by his parents after failing to guard their eggs. Now he has to find a place of his own, but unlike other dragons, Letty is meek, cowardly, and has overall low stats. Regardless, a defenseless young dragon makes for an easy target for those who only see him as a beast to be feared, vanquished, and even devoured. After some time searching for somewhere to call "home," he encounters the elf Dearia, who saves him from a band of heroes. Both an architect and a real estate agent, Dearia offers to help Letty find the perfect abode that suits his needs. Thus ensues Letty's house-hunting quest, as well as all the fantastical creatures and formidable enemies he meets along the way!

Yui "Cherry" Sakura expresses himself better through the haiku he writes and posts on the internet, even though no one gives it attention. While preparing for him and his family to relocate in August, he spends the summer working part-time at a welfare facility. Meanwhile, Yuki "Smile" Hoshino is a budding influencer who wants everyone to smile. However, she feels uneasy about the braces on her protruding front teeth and conceals her own smile using a disposable mask. After an accidental encounter with Cherry, Smile finds herself becoming a part-time worker at the same facility as him. Soon, the two assist a senile man, Fujiyama, in searching an old vinyl record he owns. Unable to remember its last location, he wishes to listen to it once more before his memories fade for good. Cherry and Smile only have the record's sleeve and the word "yamazakura" as clues, and their hunt in the hazy summer heat begins.

The day before her birthday, Akane is asked to retrieve her birthday present from her aunt Chi's shop. While looking around, she chances upon a mysterious slab with a hand-shaped cavity in it. Curious, she places her hand in it, and—to her surprise—it fits perfectly. The next thing she knows, a strange alchemist named Hippocrates and his apprentice Pipo appear, calling Akane the legendary "Goddess of the Green Wind." The two eccentrics claim to be from a different world connected to the shop's basement. With the peace of their world in jeopardy, Hippocrates and Pipo seek the help of the only one capable of saving it from destruction: Akane. Forced to accompany them on a journey to restore the land's harmony, Akane—with her aunt in tow—sets off to discover a magical new place.

Hidomi Hibajiri is a disillusioned young girl who never takes off her headphones. Her whole life consists of going to school, helping out at her mother's cafe, and listening to music. And with nothing else to break the crippling monotony, she keeps her headphones on at all times. That is, until she is run over by a mysterious guitar-wielding woman. That same night, a robot barges into Hidomi’s room along with a boy from her class, Ko Ide, and the kids are chased around town together. They're saved by the guitar-wielding woman from before, but now Hidomi's got a horn growing from her forehead? Who knows where these robots are coming from, what kind of vespa woman this weird guitar woman is warning her about, or what this thing on her forehead is, but it doesn't look like Hidomi is going to be able to ignore all this with headphones!