If you're looking for manga similar to Yosuga no Sora: In Solitude, Where We Are Least Alone, you might like these titles.
Junior High School student Takanashi Shuusuke has a problem. His childhood friend Iroha has returned with a massive crush on him. And so does class president (and yaoi fanatic), Mayuka. While Shuusuke must choose between them, his biggest problem is his younger, adopted sister Nao, who has become jealously possessive of him. As all three girls vie for Shuusuke's attention, he soon learns that all is fair in love and war!
Ayane is in love with Tomoya, Her Onii-chan. But, their childhood friend, Sayaka is trying to split them up. Ayane is not going to let that happen, No one can take Onii-chan away from her. Her plan? She wants Onii-chan only for herself, and she is willing to do everything to make that happen. She wants to have a family with Onii-chan, only the two of them. No one else matters in her little world, and she is going to take care of everyone who tries to interfere.
The story takes place in a city-state enclosed by the sea. Merchants and adventurers alike gather within the city known as the "world's treasure house". It is a city of endless possibilities and dreams. Here it is that the somewhat odd story of an adventuress and her happy-go-lucky friends unfolds.
Ayane is in love with Tomoya, Her Onii-chan. But, their childhood friend, Sayaka is trying to split them up. Ayane is not going to let that happen, No one can take Onii-chan away from her. Her plan? She wants Onii-chan only for herself, and she is willing to do everything to make that happen. She wants to have a family with Onii-chan, only the two of them. No one else matters in her little world, and she is going to take care of everyone who tries to interfere.
When the Fujisaki brothers' parents died, the youngest, Satomi, fell into a coma. Ryuichi, his older brother, takes care of him and molests his sleeping brother not realizing that his touches are being noticed.
Ren and Mihato Uesugi have moved to Chiharu in order to find work and a place to live, but it has proven difficult to find employment. Through a series of events the duo finds itself in the prestigious Kuonji house - and subsequently accepts live-in maid positions! Famous Shinra, inventive Miyu and youngest Yume are tough customers to wait on, but with the help of the ex-militant head-butler Colonel, head maid Benisu and other wait staff, Ren and Mihato might just learn what it takes to be the best maid or butler you can be. Their jobs are not easy, though, with everything from inappropriate sibling love to household games to handle!