1) Koubutsu wa Ichiban Saigo ni Hara no Naka ( Kazui x Noah ) 2) Koubutsu wa Kossori Kakushite Hara no Naka (spin off of 1 ) 3) Koubutsu wa Mayonakan no Uchi ni Hara no Naka (Grim & Masachika meets & fall in ) 4) Koubutsu wa Itoshii Anata no Hara no Naka (Grim & Masachika's married life )
