Chie doted on her grandson Kosuke. - Even now that Kosuke has grown up, his grandson's foolishness still leaves those around him astonished. - On this day, when Kosuke's parents were away from home, Chie took great care of him and even invited him to take a bath. - We used to hang out together for a long time. - It was a natural thing for Chie. - However, this careless action provokes Kosuke and causes him to take an unexpected action. - What was required was a forbidden relationship. - Chie's love was to accept and forgive everything her grandson did.