I’m Pretty sure he isn’t A middle aged man, go back and recheck your story
Eiji on the other hand looked at the pissed off expression on Ai's face and found it very cute. He thought his future woman was as fierce as a lion! He actually wanted to thank that bastard for giving him a reason to be by her side. Now he just had to gain her trust before working his way into her heart.
I love your story, I think if you could work on using present and past tense better, the story would flow very smoothly. the plot is fantastic. i hope you continue.