Himawari -The Sunflower-

"The human heart is but a vessel for pain."

That's what someone once whispered―a voice laced with loneliness, whispering directly into the soul. It's an indescribable sadness, a love just beginning to bloom. It becomes an invisible pain that pierces the heart. And that's what makes up life: a cyclical series of highs and lows.

Tachibana Sai was born without the ability to feel pain in his heart. He spends his days eliminating any seeds of malice that sneak up on his sister, the one person he treasures, without drawing attention to himself.

Sick of the never-ending monotony he lives through, he chances upon a meeting with Benio Matsuri, a young girl whose aloof demeanor resembles that of a beautifully crafted doll.

For the first time in his life, he encounters a heart-piercing sensation―that of falling in love.

On the edge between day and night, in a twilight world where the dead and living mingle, stands an apartment building called Maison sans Nom, which is home to a group of boys and girls.

A ruthless boy who knows no pain in his heart.
A lonely girl without any friends.
A friendly girl who struggles to make connections.
A prickly, ambitious girl who is keen to be of help.
A boy who loves his own cute self above anything else.
A mess of a woman who tries to solve everything through brute force.
And a boy with a tender heart who knows no pain in his body.

This ill-assorted group of residents, hands stained with blood from battling the supernatural Maledicts, shall encounter the hearts they never knew and begin nurturing their souls.

The human heart is but a vessel for pain.

To protect this pain akin to love... To gently break the world apart, piece by piece... Even if it means abandoning humanity. That's why the heart is but a vessel for pain.

For life blazes brilliantly, while the heart goes around in an endless cycle.

Uchihama Academy has seen an increase in enrollment in recent years and as a result, a new school building will be constructed. The story takes place during the final school festival in the old school. All the club leaders decide to give it their all to make this the best school festival. Sou is a member of the notorious astronomy club, which basically solves the various issues in the student council's place.

On one day, he stays in the school late at evening because he got slightly injured by the judo club and is healing his wounds in the infirmary. Suddenly, the building shakes. Shocked, he runs up the stairs to where the shaking seems to have centered, and there he encounters a mysterious naked girl, who at first appears to know him. On the next day this girl, Yui, seeks out the astronomy club, expressing her desire to join.

Having recognized Minazuki Kashou’s talents in running his patissiere, Beignet felt her role was over. So she closed La Soleil in France and entrusted Fraise, the catgirl she raised, to him.

Fraise feels a fondness towards Kashou but becomes bewildered in the face of his 6 catpanions. She turns to Shigure for advice but she too harbors a hidden love for him. Fraise feels that the relationship between siblings is the most important while Shigure feels the happiness of her catgirls is what is most important.

Motivated by their desire to make sure the other is able to fulfill their love for Kashou first, the battle between catgirl and girl begins!

At the Saint Michael Girls' School... festivities erupted among the girls of the annex. The reason for their celebration is the Best Couples poll being held at the main campus. The students at the annex, who look up to the girls from the main campus, decided, "Let's have our own Best Couples!"
...It was always inevitable.
And so, the fairest and most intimate couples were nominated...

The first couple is a pair of childhood friends, Misawa Nagisa and Takahata Rina. The second couple is a pair of twin sisters, Kimishima Ai and her younger sister Aya. And finally... The transfer student who saw this whole thing as no concern of hers, Onohara Hazuki, is shocked to hear that she too, was chosen to be among the Best Couples.

Moreover, her partner is the sheltered young debutante, Suoh Manami. Actually, Hazuki has secretly been crushing on the impeccable Manami... But the truth is, they're far from a couple, and while their classmates may cheer them on, it's all in vain.

But then... Hazuki works up all her courage to ask Manami to become a "Best Couple" with her, and...

Under the rule of two great kingdoms, the continent of Maygard once enjoyed a period of prosperity.

However, that prosperity became a thing of the past once the continent came under attack from the Demon King Hamehameha and her formidable magical power... Since then, humanity has gradually been losing ground to the Demon King's forces.

With the survival of humanity at stake, a Hero arises to defeat the Demon King. Heading on a journey together with new allies and two princesses with whom he overcame a sage's trials, the Hero seeks to obtain a sacred relic which is said to vanquish demons.

However, the Hero and his party meet an untimely demise when they encounter a surprise-attack by the Demon King. With humanity's last hope lost, it seemed like the world was all but in the hands of the Demon Lord...

In his fading state of consciousness, the Hero extends his arm towards his captured party members. In that moment, the Hero hears a voice pleading for help somewhere deep in the darkness.

"Someone please help me..."

Drawn to the voice, the Hero's spirit is summoned by Julietta, a princess from a faraway land being held prisoner in the Demon King's castle. The two quickly figure out that Julietta's desire to escape and the Hero's desire to rescue his party members are aligned with one another.