If you're looking for anime similar to Re:ZERO -Starting Life in Another World- Chapter 2: A Week at the Mansion, you might like these titles.
On Wet Crow's Feather Island, a tiny speck in the Sea of Japan, lives Akagami Iria, the exiled daughter of a powerful family. Born into great wealth, she was a princess of the highest pedigree–until she was cut off by the leader of the Akagami Foundation. For the last five years, she's lived on Feather Island with her maids. But she hasn't been alone. She has invited the best minds Japan has to offer to come and stay with her.
The second season of The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat.
Tomorrow is the fated day that Annie Leonhardt must carry out her mission, no matter the cost. But first, she decides to investigate the disappearance of a wealthy businessman's daughter. Later, Mikasa reflects about her younger years with Eren.
"Satou," aka Ichiro Suzuki is a programmer in the middle of a death march. He was supposed to be taking a nap but somehow wakes up in another world... What lies before him is what looks like the menu screen of the game he was working before his nap. He’s at a complete beginner stage at level 1. However, he had three “Meteor Showers” which could level a whole map. Suddenly, a whole group of lizardmen appears in front of him. In order to survive, Satou uses Meteor Shower, his level jumped to 310 and he became extremely wealthy. Whether it be dream or reality, Satou’s journey was now beginning.
When a great assassin is reborn in another world, he finds himself the heir to a long line of killers from the shadows. With both his modern-day knowledge and experience and the special magic and techniques of this new world, he could very well become the most unstoppable assassin in history…!
Ashaf: a soft-spoken man with delicate features, a coffin strapped to his back, and an entourage of black crows. Guideau: a feral, violent girl with long fangs and the eyes of a beast. This ominous pair appear one day in a town in thrall to a witch — a ruler with magic coursing through her tattooed body, who has convinced the townsfolk she's their hero. But Ashaf and Guideau know better. They live by one creed: “Wherever a witch goes, only curses and disasters follow.” They have scores to settle, and they won't hesitate to remove anyone in their way, be it angry mob or army garrison.
Waver Velvet – The boy who fought side by side with the King of Conquerors - Iskandar - during the Fourth Holy Grail War in Fate/Zero. Time has passed, and the mature Waver has now adopted the name of Lord El-Melloi. As Lord El-Melloi II, he challenges numerous magical and mystical cases in the Clock Tower, the mecca of all mages...