This article assumes that there is no serious height difference between Murasakibara and Akaashi, and this is not the original style. Please forgive me for the slightly strange content.
Murasakihara lost his parents since he was a child, and even lost his memory due to some things and stayed under the fence of Akashi's family. Akashi has had a secret since he was a child, and only Murasakihara and the old housekeeper of the Akashi family know about it. Akashi's other personality was completely dark beyond imagination, until they reached their high school years. Time passed like this, and Murasakihara also met new teammates and new transfer students...