An Awkward Relationship

A Hill and a Windmill

Classmates

Egg Crisis

The Honjous' Dining Table

From the Sea to the Station

Confession Fireworks

A Boy Who's the Same as Me

Sasayaka Hamburg Steak

Three Steps Forward, Two Steps Back

Fluffy Sunshine

Nakatajima Exploration

An Unexpected Side

Spontaneous Outing

The Two Draw Near

Water and Oil

Welcome to My House

Their Sense of Distance

Shiosai and Fuuryuu

Searching for Something Special

Today's Me Time

A Taste from the Past

Yaramaika

Hinako's Big Sister

Don't Leave

Rushing Through the Summer

A Cheerful Dinner

The Two Taking Shelter

Birthday Blues

The Clue is Kite?

Homecoming Curry

Ten Throws Memento

Let's Have a Great Year Together

Mitsuba's Courage

Let the Memories Flow with the Wind

Epilogue : Again, in This Town

The manga follows the carefree life and delicate relationship between a nine-year-old brother-in-law and his older brother's 21-year-old wife.
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(Source: Anime News Network)