There are 19 books in the What Did You Eat Yesterday? series. The newest book is What Did You Eat Yesterday? 19 which came out in 2022.

From award-winning author Fumi Yoshinaga comes a casual romance between two middle-aged men and the many meals they share together.

A hard-working middle-aged gay couple in Tokyo come to enjoy the finer moments of life through food. After long days at work, either in the law firm or the hair…
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2
What Did You Eat Yesterday? 2

Book cover of What Did You Eat Yesterday? 2
In this second installment of Fumi Yoshinaga's deliciously charming slice-of-gay-life, we delve into the beginnings of Shiro and Kenji's relationship.

Shiro continues to expand his culinary creativity while dealing with problomatic clients and his well-meaning but misguided mother, who comes to rely on him when a health scare hits close…

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What Did You Eat Yesterday? 3

Book cover of What Did You Eat Yesterday? 3
Not a home cooking semi-pro’s partner for nothing, when Kenji prepares himself instant ramen in Shiro’s absence, the level of dedication is rather inspiring.

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What Did You Eat Yesterday? 4

Book cover of What Did You Eat Yesterday? 4
Shiro turns down an offer to become a celebrity and Kenji’s culinary adventures are reprised in a manga about a gay couple for mature-in the true sense-readers.

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What Did You Eat Yesterday 5

Book cover of What Did You Eat Yesterday 5
Accomplished home chef though he might be, Shiro proceeds on the assumption that no two of his curries will ever taste the same.

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What Did You Eat Yesterday? 6

Book cover of What Did You Eat Yesterday? 6
In this volume of discovery and acceptance, we learn that happiness depends on small constant pleasures (meals first and foremost)—and that the reason Kenji fell for Shiro has to do with an ’80s manga. As the couple’s relationship deepens, author Yoshinaga takes the slice-of-life genre to unique heights.

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What Did You Eat Yesterday? 7

Book cover of What Did You Eat Yesterday? 7
Shiro finally introduces Kenji to his parents, and when a major case forced him to work long hours, he fails to come home for dinner for days on end.

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What Did You Eat Yesterday? 8

Book cover of What Did You Eat Yesterday? 8
For Kenji's birthday Shiro gifts a trip together to Kyoto, but the lawyer's uncharacteristic spree has the easy-going hair stylist fearing the worst. Also in this volume, "brownies" enter Shiro's lexicon and repertoire.

9
What Did You Eat Yesterday? 9

Book cover of What Did You Eat Yesterday? 9
In this volume, the intrepid lawyer/gourmand Shiro deals with the closing of his beloved local supermarket, his ageing parents (and growing older himself), dodges lawyerly politics, and reveals a shocking secret to Kenji about why their apartment is so cheap to rent.

Shiro continues to showcase an array of inventive…

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What Did You Eat Yesterday? 10

Book cover of What Did You Eat Yesterday? 10
Shino gets engaged to someone unexpected, Shiro's cooking buddy Kayoko contends with her growing family, and Shiro confronts new challenges as his parents get on in years—and the common thread in each family unit is cooking that comes from the heart. Shiro gets a surprising offer at work, and Kenji…

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What Did You Eat Yesterday? 11

Book cover of What Did You Eat Yesterday? 11
Madam surprises Shiro with a gift that he quickly puts to good use. Shino asks Shiro for advice on how to keep her new husband fit and healthy. Kayoko invites Shiro to a cherry blossom picnic, at which Shiro is rescued from romantic disaster. Kenji gets a spiffy new suit…

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What Did You Eat Yesterday? 12

Book cover of What Did You Eat Yesterday? 12
As his clients get on in years, Kenji starts offering house call haircuts, which leads to the most emotional moment of Kenji's career as a stylist. Shino asks for someone to split the burden of clerical work at the office and the firm ends up with a very perceptive new…

13
What Did You Eat Yesterday? 13

Book cover of What Did You Eat Yesterday? 13
From the James Tiptree Award winning author, Fumi Yoshinaga, comes a casual romance between two 40-year-old men and the many meals they share together.

Gilbert invites himself over for a hot-pot made with common-folk ingredients, and Shiro wonders if things will be weird with Kohinata. Kenji tries to put off…

14
What Did You Eat Yesterday? 14

Book cover of What Did You Eat Yesterday? 14
From the James Tiptree Award winning author, Fumi Yoshinaga, comes a casual romance between two 40-year-old men and the many meals they share together.

Shino and Shuhei deal with busybodies worried about their health. Tabuchi figures out how make his latest girlfriend try new things in the kitchen. Shiro and…

15
What Did You Eat Yesterday? 15

Book cover of What Did You Eat Yesterday? 15
From the James Tiptree Award winning author, Fumi Yoshinaga, comes a casual romance between two 40-year-old men and the many meals they share together.

A hard-working middle-aged gay couple in Tokyo experience new challenges both at work and at home. While Kenji struggles to adjust to his new position at…

16
What Did You Eat Yesterday? 16

Book cover of What Did You Eat Yesterday? 16
Two rather long-awaited encounters unfold in this installment of Fumi Yoshinaga’s heartwarming slice-of-gay-life series. After fifteen years of living together, Shiro meets Kenji’s family for the first time over dinner at a high-end unagi restaurant. Meanwhile, Kenji finally gets to know Kayoko, one of Shiro’s few friends, after a chance…

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What Did You Eat Yesterday? 17

Book cover of What Did You Eat Yesterday? 17
From the James Tripee Award Winning author, Fumi Yoshinaga, comes a casual romance between two 40-year-old men and the many meals they share together.

This slice-of-life series follows the ordinary lives of a middle-aged, gay couple and the ever-changing,
delicious variety of homecooked meals they share.

Shiro and Kenji are…

18
What Did You Eat Yesterday? 18

Book cover of What Did You Eat Yesterday? 18
From the James Tripee Award Winning author, Fumi Yoshinaga, comes a casual romance between two 40-year-old men and the many meals they share together.

A hard-working middle-aged gay couple in Tokyo come to enjoy the finer moments of life through food. After long days at work, either in the law…

19
What Did You Eat Yesterday? 19

Book cover of What Did You Eat Yesterday? 19
Shiro is the managing partner at a law firm, and he de-stresses every day after work by cooking with his live-in boyfriend Kenji. They’ve been together for almost two decades now, and while they’re no longer as lovey-dovey as they used to be (they’re in their late fifties, after all),…