She is held by someone today ~ Secret work of a beloved lover ~

The main character has a childhood friend named Yukimi Konokami who has been growing up together since childhood.
Although she had a pale feeling for her, she did not come to confess, and Yukimi passed the exam first and went out to the city.

1 year later, the main character also passed and moved to Tokyo and reunited with Yukimi.
Then, she tells her feelings as the opposite sex that she firmly recognized during the 1 year, and asks her to go out with her.
However, he is told that he likes the main character but can not go out with him, and he is refused.
Yukimi asked the reason, but she did not speak clearly with a murky mouth.

Even so, Yukimi invites the hero who continues persuasion without giving up, whether to try sex suddenly.
It is the hero who embraces Yukimi as emotion and desire while puzzling, but it is puzzled by familiar fellatio and cowgirl.

And after the act, Yukimi confesses that she had already experienced and was not a virgin.
She is shocked by the fact, but tells him to reconsider and still go along with him.
Although the reply was put on hold, the days of close contact continued from then on, believing that the main character had effectively become a lover.

But at the same time, no, there was a "work" that Yukimi had been doing in a place that the hero did not know before that.that is――

主人公は小さい頃から共に育ってきた鴻上由紀美という幼馴染がいた。
彼女に淡い想いを持っていたものの告白には至らず、由紀美は先に受験に合格して都会に出ていってしまう。

1年後、主人公も追って合格し上京、由紀美と再会する。
そして1年の間にしっかりと認識した異性としての思いを告げ、つきあってくれと持ちかける。
しかし主人公のことは好きだけど付き合うことは出来ないと言われて断られてしまう。
その理由を聞くが由紀美は口を濁してはっきりとは語らなかった。

それでもなお諦めきれずに説得を続ける主人公に、由紀美はいきなりセックスをしてみるかと誘う。
困惑しつつも感情と欲望のままに由紀美を抱く主人公だが、手慣れたフェラ、そして騎乗位に困惑する。

そして行為の後、由紀美は既に経験していて処女ではなかったことを告白。
その事実にショックを受けるものの思い直し、それでもつきあってくれと告げる。
返事は保留となったものの、それからは親しく接する日々が続き、主人公は事実上恋人になったものと思い込んでいた。

しかし同時に、いや、それ以前から由紀美は主人公の知らないところでしていた『仕事』があった。それは――