Memory... Does it represent all a person has?

A railway accident changed Sumi's life... Aiming to be like his brother, Haru, he applied to a special agency for intelligent creatures ── RE614.
What kind of impact will this creature, with the same appearance as his brother, give to Sumi?

Winning the 8th Golden Manga Award in Taiwan, Visual novel "THE MONSTER OF MEMORY:DESTINY" has been adapted from the manga of the same name!

[From Steam]