Shitsuji-Sama Wa Demodori Reijou Wo Amayakasanai summary:

After Akiko is cheated on by the boyfriend she's living with, she has no choice but to return to her parents' home. At home for the first time in several years none of her family is there, only Tanaka, a handsome but brazen butler! Akiko is hesitant to rely on someone she's met for the first time, but she ends up being taken in by Tanaka, who is surprisingly kind(?). Their life together full of ups and downs now begins!?