Agreestuko are show verison of Sanrio link collection are main Haida the Hyenas and Tadano the donkey fall love with Agresstuko , red panda and hooked up they getting opponent version of Hello Kitty.   Haida was previously a fan of the tech entrepreneur Tadano. However, his admiration quickly turned to dislike when it was revealed that Tadano and Retsuko were dating. ... They begin to be on friendly terms in season 3, regarding their respective relationships with Retsuko.  In the final episode, Retsuko cuts the cord with Tadano and ends their relationship because he wasn't providing her the emotional support she needed. She wanted to get married, and he had routinely dismissed her desires as trivial and outdated.  Haida is very submissive and shy around Retsuko. ... As a spotted hyena, this makes sense as spotted hyenas have matriarchal societies where the ... Right after Gori and Washimi talk to Retsuko about love, Retsuko sees Resasuke on ... It's very possible that Tadano might not be a donkey at all, but a mule.