「俺、好きな女しか抱けないから」幼なじみであるひなたの復讐に加担する光汰は、まんまと美香の懐に入り込みホテルに行くが、捨て台詞を残して美香のもとを去っていく。自分には、やはり亨しか残されていないと焦る美香は、ますます「ハイスペックな婚約者」に執着していく。一方の亨は職場の上司・樺沢からホームパーティーに誘われ、渋々、美香を連れて行くことに。パーティーを楽しむ2人に、ひなたは追い討ちをかけるように復讐を仕掛けてー。そして、人生の歯車が狂い始める波乱の展開に?
"Because I can only hold my favorite woman" Mitsutoshi, who is involved in the revenge of her childhood friend Hinata, goes into Mika's pocket and goes to the hotel, but leaves Mika with abandoned lines. Mika, who is impatient that she is left with only Toru, becomes more and more obsessed with her "high-spec fiancée". On the other hand, Toru is invited to a home party by his boss, Kabazawa, and reluctantly takes Mika. Hinata sets revenge on the two who enjoy the party so that they can be revenge. And in the turbulent development where the gears of life begin to go crazy?