Be My Boyfriend!

I Don't Intend on Getting Married

We Won't so Much as Look at Each Other

I'll Never Lose To You!!!

Are You Some Kind of Idiot!

Will You Go Out With Me

Thank You For Everything!

You Two Seriously Look Alike

Can We Spend Our Mornings Together

You're Not Too Bad Yourself

Aren't You Two Perfect For Each Other

You Do Live Alone, Right

I Felt Like You Could Handle It, Umino-kun

Maybe... My Destiny Could Change

Are You Worried About Them

Get Your Head on Straight and Face Your Problems!

Is He Just Going to Go and Get Married

How Many People Have You Had Confess to You!

The Current Calls to Me!

Because I Knew You'd Tag Along With Me, Umino-kun

But He Has a Fiancee! That's So Sleazy!

If You're Gonna ~Run-Away~, Then Let's Do it Right!

Stop Treating Me Like Your Little Sister

Just Pretend That Didn’t Happen...!

You’re Still My Little Sister, but…

I Can’t Let Things End Like This!

You Never Let Me See You Smile

What Does It Mean to “Like” Someone?

It Doesn’t Change Your Value as a Person!

You’re off Your Game, Huh?

My Destiny Has Always Been to Do Whatever My Father Says...

Mountains Are Meant to Be Climbed

I’ll Never Forget This Summer!

We’ve Got No Choice but to Reveal Our Secret!

I Knew It! She Does Have a Dark Side!

We’ve Got the Whole Family Right Here!

Oh Yeah? I Don’t Know if I Like That

Let’s Back Each Other Up!

It Wouldn’t Be Crazy if Something Did Happen!

I’m So Glad I Met You

That Study Camp Meant So Much to You...

Who Is It?

So on That Day...

Haven’t You Figured It Out Yet?

I Wanna Be an Adult Already!

If I Asked You to Marry Me...

It Felt Like Something Changed My Destiny

What’s Between Us Is Our Little Secret

Do It Again, and I'll Put a Curse on You... Okay?

A Relationship That Doesn't Change? There's No Such Thing

Would You Mind if I Take Him...?

When We Meet Him, I’ll Be There With You.

Where Do We Go From Here?

That Makes You My Accomplice, Umino-kun!

Is It So Wrong for Me to Be Bad...?

What's Important Is That You Two Are Happy

I Get to Live With Hiro-chan?

Who Was Umino-kun's First Crush?

Why on Earth Are We Living Together...?

Execute Operation: Nurse Erika-chan Back to Health!

I'm Never Getting Married!

We'll Make Our Own Destiny!

Never Speak to Me Ever Again...!

Do You Remember What Happened Back Then?

Without Me, You're Just Completely Hopeless!

Nagi Confessed to You, Right?

Won't You Walk Me Home?

Just Who Does He Take After, I Wonder!?

Multiply That Feeling by About a Hundred

What’s With This Mood…?

In That Case, What's Your Conclusion!

What Do You Do For Work

Why Don't We Move on to the Next Stage

I Felt Like I Was on Cloud Nine!

We All Match!

Just What Kind of Costume...

Of Course It Was My First Time...!

Just How Did This Happen...

So, Tell Me About Your Summer Vacation

It's About My Life, Too!

I'll Never Forgive Whoever Did This!

You Really Are "Like Mother Like Daughter"...!

As If I Could Act Normal Like This...!

If You Move, I Can't Help But Notice You!

You've Changed a Lot Now That Nagi-kun's in Your Life...

You Want to Know If I'll Make a Suitable Partner for Amano-san, Right?

Amano-san, Have You Never Kissed Someone Before?

That's Familial Love. It's Not Romantic!

After All, It’s Our Own Way to Pave...

We’ll See Each Other Again, Right!? Just After This week!

You Really Are Cute, Umino-kun...!

I Want to Make Segawa-san a Star!

You Don’t Do All That for Someone You Hate!

You Really Love This Shrine, Don’t You, Segawa-san?

Today, Segawa-san is Undoubtedly the “Star”

One Day, I’ll Become an Adult, Too.

The Real Enemy is Sachi-chan...!

She’s My One and Only Dear Little Sister...!

You Just Can’t Be My Brother!

I Was Hoping to Be Your Partner, Nagi-kun!

16-year-old super-studier Nagi Umino, second-year student at the Meguro River Academy high school, was switched at birth. On his way to a dinner to meet his birth parents, he accidentally meets the brash, outspoken, Erika Amano, who is determined to make Nagi her fake boyfriend as she never wants to actually marry. But once Nagi makes it to dinner, he finds his parents have decided to resolve the hospital switch by conveniently having him marry the daughter his birth parents raised...who turns out to be none other than Erika herself!
 
(Source: Kodansha USA)
 
Note: Fourteenth place of Tsugimanga 2020 Award in the Manga Category