I'm not going to let it go! LYNX ROMANCE

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

When he was a child, Nozomu HANAOKA loved his older brother Ninomiya who lived next door.
He loved him like a real older brother because he would go out for a walk with his beloved dog Taro and play around almost every day, but suddenly his family moved out.
On the same day, Taro was involved in an accident and died.
The shock of losing loved ones all at once was great, and Nozoki grew up to be a quiet young man.
Then one day, when he became a university student, he met Ninomiya who had been a company employee at the cafe where he was working part-time.
I had a good time with Ninomiya who remembered me for a while, but as soon as I showed him the collar which was one of Taro's relics, he suddenly licked Ninomiya's face and shouted "Wan" ----?