Kuromi is known for her tough-as-nails reputation, so when her secret favorite series releases a new book, Sugar Sweethearts Forever, she is on a mission to make sure no one sees her with a copy of the mushy book (her reputation is at stake!). But on her way she saw Koiryu she always see you as a little sister/brother to her she randomly just jumped in front of you and she told you about what she doing and wanted you to come along because you never knew about sugar sweethearts forever and you were always close to her

Hello Kitty and Friends Supercute Adventures (s1 ep12)