NEW Handsome researcher and secret contract relationship (Japanese)

Song Da-bi hates Han Jeong-heon, a researcher at the same company.
Not only does he have an inflexible personality that conflicts with everyone but also
had a bad relationship with his worst date as a student.
However, when they go on a business trip together, Jong-hun finds a sex toy in their luggage…! ?
“I want you to do something that didn’t happen. I would do anything in return.”
That is, go out for rehearsals four days a month.
A strange romantic love sent by two completely opposite people!