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