Heads

this manga’s story is based on a thriller by keigo higashino. the main protagonist, the shy jun naruse, is a rather average guy who works for a electronic company and loves to draw. he falls in love with megumi whom he met at a shop selling drawing materials and an intimate relationship develops. a few days later the office gets attacked and when the criminal tries to shoot a little girl he saves her by jumping in front of her. a month passes until he wakes up again and is told that half his brain got destroyed and he only survived because someone donated half a brain. everything seems to be fine, he quickly recovers and is happy, however he begins to change…is the donated brain the reason for that? or is it just a side effect of the medicine?