Meet four high school friends: Haruka, Takayuki, Mitsuki, and Shinji. Life's promise shines brightly on them until an accident leaves Haruka in a coma. Her boyfriend, Takayuki, can't forgive himself, and seems determined to follow Haruka into a comatose state. Mitsuki dedicates her life to taking care of the tragic young man, and the pair fall into a relationship floundering in guilt.

Meet four high school friends: Haruka, Takayuki, Mitsuki, and Shinji. Life's promise shines brightly on them until an accident leaves Haruka in a coma. Her boyfriend, Takayuki, can't forgive himself, and seems determined to follow Haruka into a comatose state. Mitsuki dedicates her life to taking care of the tragic young man, and the pair fall into a relationship floundering in guilt. This limited edition comes with an artbox.

The entire world has gone crazy! Haruka has collapsed back into a coma and Mitsuki has left Takayuki - this time for good. When Haruka wakes up for the second time, she realizes that three years have passed and things change. But Takayuki denies having anyone else in his life. When Mitsuki visits, Haruka learns the truth.

Meet four high school friends: Haruka, Takayuki, Mitsuki, and Shinji. Life's promise shines brightly on them until an accident leaves Haruka in a coma. Her boyfriend, Takayuki, can't forgive himself, and seems determined to follow Haruka into a comatose state. Mitsuki dedicates her life to taking care of the tragic young man, and the pair fall into a relationship floundering in guilt.