Maicching Machiko-sensei: Black Box Anime Details and Episodes Watch anime online free in HD. Stream subbed and dubbed anime episodes with no ads, no signup. The best free anime streaming site — new episodes daily. Series info · Watch free · Trending anime · Airing schedule FormatMangaStatusFinishedSourceOriginalCountryJapan Comedy · Ecchi Maicching Machiko-sensei: Pink Box (Prequel) · Maicching Machiko-sensei: White Box (Sequel)