Good-bye Chocolate paperback

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

For Reina Amaki, Taisei Den Ogyu is not only her lover but also more than a family who supported her lonely childhood, but she has been passing each other these days.
On the day we meet for the first time in a long time, the car in which the two were riding will have an accident. The injured Amaki will be taken care of by Taisei for a while, but Taisei will be taken care of by a strange house, and Taisei will be taken care of by Taisei, but it is somehow a stranger.
It is strange for Amaki to say that she did not even try to kiss and even lost her ring.