The daily life of high school student Naoto Watari revolves around his little sister Suzushiro. As their parents passed away two years prior, the siblings have been passed from one relative to another, resulting in Naoto taking the most responsibility for her. Although things have not been easy for the two, Naoto is now content with living at their aunt's place. This newfound peace is suddenly turned on its head when Satsuki Tachibana enrolls at Naoto's school. The two used to be good friends, but after Satsuki completely destroyed his family's garden, she disappeared from Naoto's life. Despite what happened, Satsuki seems to be making advances toward Naoto now that they have reconnected. Coupled with other people around him that harbor secrets, Naoto's desire for an idyllic life may be at jeopardy.

Although Hyouma Kunato has begun to feel comfortable around Botan Nagatsuki and her family of tsukumogami—objects possessed by spirits called marebito—he has not forgotten about his main goal in life: revenge. Unbeknownst to Hyouma, while he is training in Kyoto under the supervision of the Kadomori family, the Bureau of Traditional Music, a group of three musical instrument tsukumogami, begins to enact its plan. The trio questions Botan's family about their intentions regarding Hyouma's presence near the person embodying the frontier between the human and marebito worlds. Soon after, the paper umbrella tsukumogami that Hyouma had been pursuing for years suddenly reappears and abducts Botan along with her university friends. Rushing to save the one he swore to protect, Hyouma might have to change his priorities if he wants to keep his promise to Botan.

Includes 3 special Mini Dragon episodes released within Kobayashi-san Chi no Maid Dragon S's broadcast period and 5 BD/DVD extras.

When Konoe Moyako and her little brother, Akira, were young, he said he wanted to marry her. Naturally, Moyako decided that her little brother was a complete pervert who was obsessed with her. Now that they're both teenagers, Moyako is convinced she needs to rehabilitate him. However, it seems that the perversion is entirely in her imagination, and she can't seem to help turning completely innocent situations into creepy ones in her mind! (Source: MU) Bundled with the limited edition 5th, 6th, and 7th manga volumes.