He is the chairman of Amane High School. After Leiji's parents died, he took Leiji and his sister Shiori in. He is manipulative and calculating. Alexei is a very mysterious person who seems to just want to hone and polish the characteristics and skills of others. However Leiji has directly shown animosity towards him that he likes using people as pawns thus he will not be defeated or used as such. This is different to how Leiji has treated him as a child as a sort of parental figure but seeing his transaction based nature and that he possesses little to no emotional attachments for others made him just treat him as a financial benefactor (which he is) as he grew older. Nia Hasekura is apparently his niece and confesses to Kanade that he is an emotionally distant and very cruel person who u