Super no Ura de Yani Suu Futari

Description:

At age forty-five, office worker Sasaki has had enough of the corporate grind. His only solace is smoking-and the friendly smile of supermarket cashier Yamada. When Sasaki can't find Yamada after a particularly trying day, a striking woman invites him to smoke with her. The despondent man thinks he's made a new smoking buddy in the cool, teasing Tayama, but Sasaki doesn't realize he already knows her!

(Source: Square Enix)

Note: On June 23, 2022 it was announced that the manga got licensed by Square Enix. It started being published in the magazine Big Gangan on August 25, 2022.
Winner of the Next Manga Award 2022 in the Web Manga Category.

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