SILKS-096 I'm unreliable though

Oishi, who is in the same class as him, makes a lot of mistakes, and Kashima takes care of him, taking care of him. She actually knew Oishi before joining the company and was secretly in love with him. One day, when I lost the opportunity to be honest with her, I decided to take care of Oishi, who was drunk at the hotel while protecting myself at a dinner with her business partner. And it turns out that Oishi also remembered what happened before joining the company...!?