Goodbye, Overtime! This Reincarnated Villainess Is Living for Her New Big Brother

Yukimura Rina is an overworked twenty-something systems engineer who's dangerously close to her breaking point. Her only comfort is an otome game with a charming side character, the brother of the villainess, who soothes her weary heart. She gets so hooked that she forgoes sleep and ends up blacking out...only to wake up inside the game as the...