*^Amnesia*^ {Mikayuu}

Yuichiro Amane lives with his family but suddenly he falls to a deep coma and wakes up not knowing who everyone is or neither his parents

Yuichiro gets out of the hospital to meet a friend and then that same boy helps him through his life and experiences.
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Mikaela Shindo a senior in Seraph End High but meets the raven boy but later knows what's going on with his life such as.... abuse.... and..... drinking beer.

Mikaela hears about him falling into a deep coma and later helps him recover slowly with memories.

Will Yuichiro recover?
Did Mikaela cause Yuichiro to fall into a deep coma and forget about everything?