Isnt OVA 2 is after s2? because I watched them in this irder like: s1, OVA1, OVA2, s2. But in OVA2 Umaru told Taihei that she told her friends that Komaru and U.M.R. is her. But in s2 Sylphine (idk how to spell this name) called Umaru U.M.R. and Kirie called her master so I'm confused.