Tomodachi no Imouto ga Ore ni Dake Uzai - Volume 1, Chapter 7: Only Iroha, Ozu, Sumire, and I are annoying towards Mashiro

A novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top with lots of girls from various animes and games with a twist of that gaming feel (hunting mobs, doing missions).

- Description from novelupdates

“I was scared!” she cried, interrupting him. “You're a married man, you have a wife now, and I didn't want to ruin that. I didn't know how you'd react. And I didn't want my children… our children… to be caught in the middle of more pain.”He looked at her in shock, breath caught in his throat. “You just said… our daughter earlier,” he said slowly.Yes,“ she answered. Jasmine and Hanith. They're yours.”Aaron's breath hitched, stumbled back a step, staring at her like he was seeing her for the first time again.“You told me they weren't mine,” he whispered.“I lied,” she admitted. “Because I was scared. I wanted to protect them. I thought if you knew, you'd take them away. And I also thought you wouldn't want them because you are married now.”“Five years,” he murmured, his voice barely audible. “I had children... and never knew.” He clenched his jaw, struggling to process everything.“They are your children,” she said softly. “And now your daughter needs you.”~**~A single mother, Katherine Prescott was the perfect definition of a B3 classy lady—beautiful, brainy, and brave. She worked her ass off to ensure her children never lacked, building a name for herself while running from the unwanted attachment of the past.But when the past she thought she'd left behind the day she fled with her babies came crashing against the walls she'd built—six years later—everything she buried resurfaced.What if the forgotten spark and desires kept pulling her back into the very past she wanted to forget? What if her babies wouldn't stop asking about their father? Can she really give him a second chance at love… and risk losing herself to passion again?Aaron Knight was a celebrity. He never believed he'd see her again. But there she was—still breathtaking, still beautiful as ever. He wasn't letting her go this time. He would get her back, by hook or by crook.Two problems: he was married… and she was already a mother.

Chang’an, Jan. 14th of lunar month, Tianbao Year 3 (744AD), Tang Dynasty.

For residents of Imperial City, what awaits them when the city enjoys its dazzling brilliance and joy of the Lantern Festival is an unexpected catastrophe that’ll destroy all. Tujue (a nationality in the north of ancient China), Wolfpack, kidnapping, assassination, rampant flames that scorch all…start the gear for the doom of and the Longest Day in Chang’an.

And the only hope lies in a one-eyed convict sentenced to death and the fleeting Twelve Hours…Will Chang’an, the city of prosperity, survive the longest day ever or will it burn…