SEINEN

From MangaHelpers:Shirakawa Ro has to move to a relative's town in the country side with his twin sister Haruna when their mother suddenly dies in a car accident. Left as orphans at the age of 15, the two have to deal not only with their only parent but an entire new environment. Ro was supposed to succeed his mom's dream of winning a medal in the Olympics but with her dying the day before the big event, Ro breaks down and misses his only chance to reach his dream. Now stuck in the small town of Tomakomai, Ro finds a new passion in ice hockey and regains his focus in life. [vyc]

Meet Sui, a native from an unspecified foreign country. She has moved to Japan to get married and this story revolves around her adapting to Japanese culture and life

From Dark Horse:In a time of chaos and war, a godforsaken era, twin sons are born to an emperor. But legend states that the son of the emperor shall be born a demon! But twins? Who is the demon, and who shall reign as emperor?Chunchu is the story of a young man saved from death by his mother, banished by his people, hunted by his brother, and tortured by the demons within. Living and fighting with a low-born warrior tribe who can never trust him, Chunchu lives a life of blood and violence, every day a struggle to survive. But something mysterious lurks within his cold exterior, something that could be awakened by the touch of a woman.* Manhwa of the Year in Korea-2003.

"I want to change" Sakura, Tsuchigure, who entered Sendai Hoshimi High School, had a secret that her friend Karen could not tell. That is the creative activity of "drawing a manga." ...Sakira was giving up her creative work for a certain reason, but her encounter with "high school drama" changed her daily life dramatically. --- Now, the curtain of the youth group drama that everyone shines is up!

Yuzu Okashi is a shut-in author living alone in neglected squalor. When the neighbor girl Makoto forgot her apartment key, Yuzu took her in until her mom got home. When Makoto saw the mess in Yuzu's apartment, she promised to take care of Yuzu like a mother should! (Anilist)