adoption, age regression, anti-hero, based on a manga, boys' love, bullying, comedy, coming of age, conspiracy, crossdressing, dark comedy, dissociative identities, drama, estranged family, family life, found family, historical, incest, love triangle, male protagonist, mystery, orphans, psychological, psychological drama, revenge, school, seinen, siblings, slice of life, supernatural drama, surreal comedy, suspense, thriller, time skip, tragedy, twins