This series has some merit but the story needs development. Probably with more episodes, the cast & writers could've developed the story more in relation to Einstein's brain, Min-Joon/Shi-on's (Lee Tae Min) ability to piece things together & Min-Joon's background. From his name & then later in the story we confirm Min-Joon is Korean so we're left to guess that's may be why he & his love Kana talk to each other in English to each other? But in the series as Shi-on, he speaks fluent Japanese... Additional episodes of on how he recovered, training, & how he & Kana met. Overall, the cast did a great job; I saw improvement for some as the story progressed! Min-Joon became more solid & Ryo (Shota Matsuda) was already pretty solid & tragic with hints of sweetness that make him a good man. I was sad to see him go & loved how selfless he was, but the ending was good. Glad I watched this