Theatrical follow-up to Sasaki to Miyano, adapting the "Graduation Arc" of the manga. Miyano’s world of Boys’ Love manga turns to reality when chance leads him to Sasaki. Now, Sasaki wants to spend every opportunity with him.

Prologue of .

Following the grim events of Iga, Kokujou Island, Rakuyou, and multiple fruitless confrontations with the Tenshouin Naraku and Tendoshuu, Gintama.: Porori-hen takes its viewers on a trip down memory lane to when Yorozuya were mostly doing what they did best—odd jobs. The great space hunter Umibouzu has returned to Edo and is livid when he finds out that his daughter Kagura has a boyfriend. He blames Gintoki for being an incompetent guardian, but has the time finally come for him to let go of his daughter? Back with shameless parodies, risqué humor, and lively camaraderie, Gintoki, Kagura, and Shinpachi are faced with unforeseen situations that manage to be both hilarious and emotionally stirring. [Written by MAL Rewrite]

After many hardships in her life, Chise Hatori ended up at an auction, where she was purchased and then freed by the renowned Thorn Sorcerer, Elias Ainsworth, only to stay and become his apprentice. Though her life is wonderful now, the arrival of a picture book, "The Lonely Little Star," brings back memories of those trying times and the loneliness she endured. As a child, Chise experienced a great tragedy: her mother's death. Shunned and unwanted by peers and relatives alike, she has lived a detached and pitiful life. However, the unexpected discovery of a mysterious library in the forest provides her with a temporary place of solace. Through reading countless books and spending time with the kindhearted librarian, Chise slowly begins to feel less alone in the world. But could this peculiar library have a darker side? [Written by MAL Rewrite]