Seaweed and salt potato chips at Maruichi.David L. Ryan/Globe Staff

Tokyo department stores, the posh ones, are about the best thing in the world for people who like food. (Tokyo, in general, is about the best city in the world for people who like food.) The basement level showcases nothing but: glorious bento boxes, regional sweets, seasonal cakes, precious fruits swaddled in protective foam. If there’s a line, get in it. Whatever’s at the end is going to be good.

Flavored peas at the Maruichi grocery store. David L. Ryan/Globe Staff

But this wasn’t a posh one. It was a workmanlike neighborhood spot where people bought plastic contraptions for making pickles and sponges shaped like adorable forest creatures, cheap slippers for wearing into the bathroom and towel-kets (blanket-size towels that are perfect for summer sleeping). In short, heaven for an 11-year-old with a few weeks’ allowance burning a hole in her pocket. All I remember is that I bought my first cassette tape with my own money that day: “20 Greatest Hits,” by the Bee-to-ru-zu. And that, when I walked out of the store, an hour closer to dusk, the world suddenly rearranged itself into familiarity. I walked around the corner to the usual route, caught the next 97, and went home.

A row of onigiri at Maruichi.David L. Ryan/Globe Staff

That hour had such a specific feeling to it. I get it sometimes in airports when I’m traveling alone. It’s stolen time. No one knows exactly where I am, although I’m expected somewhere soon. I can do what I want, look at what I want, be who I want. I can purchase as many adorable forest creature sponges as I want.

That hour is conjured up with perfect clarity whenever I wander into Maruichi in Coolidge Corner, Brookline. (There’s one in Arlington, too.) Its two storefronts offer the best of both worlds: On one side of Harvard Street is the boutique-ier branch (Maruichi Select), and on the other a grocery (and more) store (Maruichi Japanese Food & Deli). I don’t know which I love better, but this isn’t a contest.

Towels called tenugui for sale at Maruichi.David L. Ryan/Globe Staff

Maruichi Select is perhaps the closest you come to the depachika (department store food floor) experience in these parts. There’s a little cafe, plus prepared sushi and onigiri. Shelves are filled with artisanal foodstuffs and lovely housewares: ceramic teapots, fancy knives, lacquered lidded bowls for miso soup; fish sauce aged in whiskey barrels, fragrant genmaicha and oolong tea, matcha milk jam. Who could resist tiny bags filled with beet pasta shaped like spring cherry blossoms or carrot pasta shaped like fall maple leaves? The Japanese understanding of seasonality makes American farm-to-table chefs look like dabblers.

Face masks at Maruichi, a Japanese store with two branches in Brookline.David L. Ryan/Globe Staff

Regionality, too. There are curry powders from different parts of Japan — Akita, Aomori, Morioka, Yamagata — for making different styles of the ever-popular curry rice; shiranui mandarin juice from Wakayama; miki, a nondairy probiotic drink from Okinawa. Regular events focus on specialties from different areas, showcasing the wares of Fukushima, Hokkaido, Shimane. Several kinds of Japanese rice are milled in-house; there’s a helpful matrix charting their sweetness, stickiness, chewiness, and flavor.

Noodles at Maruichi.David L. Ryan/Globe Staff

I’m obsessed with the amanatto, candied beans, I purchased recently — some varieties tiny and earthy, others large and meaty, all sweet and coated in plentiful sugar. And I love the assortment of patterned tenugui available here. These cloths are extra-absorbent, endlessly useful, and very pretty. They make great gifts.

Stickers for sale at the Maruichi grocery store. David L. Ryan/Globe Staff

But the grocery store across the street is a more regular visit, for produce, meat and sashimi-grade fish, soy sauce and soba, Kewpie mayonnaise and thick-sliced white bread, plus all of the snacks: seaweed-salt potato chips and koala-shaped cookies, Kit-Kats of many flavors, litchi gummies. This is just the beginning, because as you progress through the store, you find the kind of things that would attract an 11-year-old with allowance in her pocket or, you know, any rational grownup. I’m likely to come home with the makings for dinner, but also facial sheet masks, Japanese sunscreen, a tiny whisk, a daikon grater, a fish-shaped sponge, a tote bag picturing a shiba inu gazing at a bowl of ramen, or Pokemon stickers and socks for my son. Origami paper, notebooks, Japanese glue, pens, Hello Kitty pencil cases — it’s all here. There are even some house slippers, over by the large selection of heat packs and bath salts. I haven’t seen towel-kets. Not yet, at least. Summer is still a few months away. I’m sure the change in seasons will bring different specialties from different regions to taste at Maruichi.

Ginger for sale at the Maruichi grocery store.David L. Ryan/Globe Staff

It’s the store at the end of the alternate 97 bus route in pre-cellphone Tokyo all over again. These days it’s harder to get lost, but it’s always possible to discover something new.

Maruichi Select, 299 Harvard St., and Maruichi Japanese Food & Deli, 306 Harvard St., Coolidge Corner, Brookline, 617-487-8171, Instagram @maruichibrookline

Rice for sale at the Maruichi, a Japanese store with two branches in Brookline. David L. Ryan/Globe Staff

Devra First can be reached at [email protected]. Follow her on Twitter @devrafirst.