Manga by author Aoki Kotomi

Ogasawara Aki is the reclusive, idealistic composer of the popular band Crude Play. Discontented with his life and with no drive to succeed, he meets Riko, the 16-year-old grocer's daughter in a band consisting of her childhood friends, and asks her to be his girlfriend on a whim. Riko, young and innocent, agrees immediately, but worries about her new boyfriend, whom she suspects has just broken up with a woman he cared very much for.

Yori and Iku are twin brother and sister. Their parents mostly work hard for their best education. Mostly Yori, Iku's brother, has good intelligence and looks. And as for Iku well... Iku's character is kind of a kid one she mostly acts like a kid towards Yori and her parents but she has a cute face. Iku and Yori had been together since childhood they've been together their whole lives. But lately Yori acts differently.. he gives Iku the cold shoulder and gets mad at her is as if he wants to be apart from her. Iku worries and thinks that her brother Yori hates her. But the real truth about Yori's doing's are far more being a "Big Brother" to sweet little Iku. Now, Yori risks different things anything and everything to have Iku. Iku loves her big brother Yori enough that she would risk losing him and she'll do what it takes to keep them together. But Yori doesn't want her that way towards him... as a loyal twin sister dedicated to her own twin. Is it possible that Iku will love Yori not as her big brother but as a man? From ShoujoMagic: Yori's attitude has changed. He and his twin sister, Iku, used to be inseparable as children, but lately Yori's been different -- eager to be apart from Iku. Iku worries that he hates her, but the truth is far more scandalous. Now, Yori would risk losing everything to have his little sister. Iku loves her big brother enough that she would never risk losing him, and so she'll do what it takes to keep them together... but Yori doesn't want to have her that way -- as a sister dedicated to her twin. Can Iku ever love Yori not as a brother but as a man? Boku wa Imouto ni Koiwosuru received the Shogakukan Manga Award for sh?jo manga in 2008.

From Tenshi-TachiTakuma and Mayu's story began when they were only 8 years old. During his childhood, Takuma was constantly hospitalised due to his heart condition. He soon became friends with Mayu, the daughter of the doctor in charge of his case. Day by day they grew closer and closer. However, the summer when Takuma was 8, he made a promise to Mayu that he couldn't keep... Their story unfolds as they grow older and their bond gets stronger...----Related to: BOKU WA IMOUTO NI KOI WO SURU