"Happy Sepia: Okuma Rasuko Sakuhinshuu" contains three works. It includes her first serialized work, "Happy Sepia," which depicts a girl named Kaede who travels back in time 10 years to live her high school life with her benefactor, her teacher Minami; her debut work, "Aruji no Inu Ma ni!", which is about dogs with the ability to transform into humans; and "Hoshikuzu Telepath Special Edition: Utakata Seastar," a new work that delves deeper into the relationship between Umi, the protagonist of Stardust Telepath, and her younger sister Honami.

(Source: Natalie, translated)