[Suishou no Oto](https://www.mangaupdates.com/series.html?id=169913) oneshot is included to first volume.

Kiichi and Tsukasa have been best friends for practically forever. They’re always with each other, commuting to and from school by bike, laughing, fighting, watching movies ’til really late, and now, trying out for the basketball team. In fact, they’re around each other so much that a lot of people think they’re going out with each other. What a laugh! Kiichi can’t really think of Tsukasa as a girl… but then a cute new transfer student sets her sights on Kiichi and Tsukasa seems to have caught the attention of the captain of the boys’ basketball team… Life changes, and friends grow up.

Amano Mizuna, 19-years-old. Likes cute little things, but she's not very good with animals. One night, a stray dog who jumped in front of her, caused her to fall off her bike. But unlike before, this dog captivated her....?!

Asahara Yuu attends a private high school for the fine arts. Her parents are professional musicians and she herself is a good pianist. With her talent and looks, everything has come easy for her, but when her parents force her to live in the school dorms with the visual art students while they are away for the year, things take a very sharp turn... Note: Vol. 3 of this series also contains a one-shot titled "Gozen Oji no Saishuu Ressha" about a guy photographer who is wondering whether it is finally time to end it with his girlfriend of many years, when he suddenly meets another young girl on a trip up north.

Umi, who had been in an accident in her second year of high school, awoke from a deep sleep for the first time in 16 years. There she finds her parents a little older than she remembered them, and a younger sister who is the same age as she was before she fell asleep. She is welcomed into a strange house with no recollection of her past, and soon realizes that her parents are trying to hide the truth about the accident from her. Why? As she tries to recover her faint memories, fragments of her past gradually come back to her... The past and the present come together in this shocking suspense between the two sisters!

Kumiko, aged 16, is the oldest of three children and the daughter of a mother who is something of a free spirit and a bit of a wild one. One day she comes home from school to find her mother making out with a man – and even worse, once her siblings come home she announces that she’s married him! All three kids are shocked by this development, but then things take a very dramatic turn when that same night their mother is killed in an accident. Kumiko decides to take over at this point – but their new stepfather wants to help, which is a problem as Kumiko hates him…