Doki Doki Ticket Challenge!

Ayano, an airheaded fan of the nationally famous male idol group STOOM, is desperately trying to buy a same-day ticket for one of the group's shows. When a suspicious scalper turns out to be the host of a late-night variety show, she's given a challenge by which she can earn a ticket to the show. The catch: "for every lewd challenge you complete, the ticket you earn becomes closer to the stage!"