Quote Originally Posted by nikonana View Post
Just do the usual daily mission like Bloom dragon/Manyu daily. But you need to replay it so many times. The tab is located on far right.
1st tab - Daily, 2nd - Weekly, 3rd - Event only quest, 4th - Character Q, 5th - Main quest such as reaching lv 100/collect 100 girls, and 6th - Time limited quest
Or you could just spam the 7-stamina National missions(Today's Bergamot Valley).