If you're looking for manga similar to Motto Mayonaka no Jewel, you might like these titles.
Mahiro's father has remarried and Mahiro is supposed to live with his new family including honor student Rei who is in the same class with him and believes "a guy who thinks of nothing but sex shouldn't be allowed to live together her." Her words enrage Mahiro and he began to distance himself from her and on that moment, an unexpected reaction from Rei....?
"Phantom thief Lady Black" is a thief who wears black clothes like mourning dress and only targets jewelry. Her true identity is Aria, the daughter of a jeweler with a sad past. One night, after she obtains the jewel she's been looking for, a mysterious man appears in front of her...?!
The witch, Marika, was exiled from the spirit world for committing a taboo in order to save the human child, Ryou. She mustn't get involved with human beings so that she can return to her world. However, Marika falls in love with Ryou and she plays "make-believe" with him when night falls. And due to the witch law, they are only able to go as far as touching each other's bodies?! Which direction will this unforgivable and forbidden love take?!
Suzuno is able to transfer to a new high school on one condition: She has to manage a dorm nicknamed “The City of Crime,” where all the residents are troublemakers!
A heart-racing, refreshing laundromat love between Mikage, a cram school student aiming for an Arts college and Toudou, a student attending a feeder high school.
There’s not much Akari cares about in this world, except maybe her friendship with Fumika, who’s afraid of boys. But then Fumika gets a boyfriend, and something happens that makes Akari even more jaded than she already was.
"I want to fill my gaps with you. As our forms change, we become one." Miyabi is looking for someone to complete her.
Kikka Tsumugu (28 years old) lives alone on the 2nd floor of an apartment building. Kikka, who works as a "wasai" (traditional Japanese clothing manufacturer) at home, is a job given by Mashimo, her ex-boyfriend from high school. One day Kikka was selected to be a board member of the apartment complex lives at and met with a man named Hirara...!? Mashimo lives 200 meters away from Kikka's house and Hirara lives 200m above. The vertical and horizontal romance triangle has begun!