My Stepmom's Daughter Is My Ex: Volume 9 by Kyosuke Kamishiro

I’ve made up my mind. I’m going to pull out all the stops and get Mizuto to ask me out by the end of the year. Last time, I did it, but now it’s his turn. I know we feel the same way about each other. We just need to take that final step to bring our relationship to the next level. I’m going to pull out all the stops to make that happen. I’m ready.