――The main character, Yuugo Amano, was living an ordinary life with his childhood friend, Mia Kazura.

Meanwhile, another childhood friend, Sumire Shirasaki, who moved to Italy in childhood and was separated, returns to Japan. His daily life changes greatly due to the confession of love from her, who has been growing in her feelings for him for many years!

Sumire is his first love, and her appearance and personality are perfect. However, Mia, who has been spending time with him like family until now, can't help but glimpse his face, and his heart is complicated.

One day, Yugo visits Mia's room with these blurred feelings in his mind, and witnesses her masturbating.

He was surrounded by dolls, pillows, hidden photos, and other "Yugo-go-goods," and he was masturbating in such a bizarre manner that I was speechless.

There he learns that Mia loves him and that she is jealous because of Sumire's appearance, In a runaway state, she attacks him and pushes him down on the bed!

Mia rides him, screaming her love for Yugo, which results in him losing his virginity. Regardless of the form, as long as he has had sex with Mia, he must refuse to confess his love to Sumire.

Later, Yugo visits Sumire's home and tells her that he cannot go out with her, but she, who has always had feelings for him, does not give up easily.

Sumire is also a sickly, emotionally strong possessiveness, and courts with a stun gun and handcuffs. Inevitably, Yugo also becomes physical with her!

The inappropriate relationship is quickly exposed, and from there a battle between the women for Yugo ensues! Mia and Sumire are eager to get impregnated first and try to squeeze as much seed as possible out of him.

Furthermore, Yugo's senior and student president, Yuzuki Renge, also entered the fray with her distorted love for him and the battle for the prize intensified! What is the end that awaits you at the end of your life of exploitation from the yandere girls?