After getting caught up in an accident, Ryou Mihara is reincarnated in the world of Phi as a water magician. Waking up in a remote forest, he sets out to achieve his ideal slow life by living off monsters and refining his magic. Unbeknownst to Ryou, decades pass without him realizing due to his hidden trait, "Eternal Youth." One day, Ryou stumbles across a shipwrecked adventurer named Abel. As Abel requests Ryou to accompany him to the town of Lune, they embark on a journey through mountains infested with monsters. Upon arriving at the town and registering as an adventurer, Ryou's powerful water magic and equipment are unlike anything anyone has ever seen before. Although his prowess piques the interest of many, Ryou is eager to begin his own adventure and hone his magic even further!

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.

With the threat of Ursus and Reunion doubling down upon Lungmen, Ch'en, once the city's fiercest defender, renounces her loyalties before Lungmen's Chief Executive Wei Yenwu, revealing herself as Infected and the sister of Talulah, Reunion's enigmatic leader. Cast adrift from Lungmen with an arrest warrant, Ch'en sets out to confront Reunion, convinced that she alone can deliver the reckoning her sister deserves. As Rhodes Island intervenes to prevent total annihilation, Doctor, Amiya, Kal'tsit, and the rest of the team hope to navigate a conflict where the faintest spark of justice may at last ignite Lungmen's rise from its embers.

At the age of 15, Hana Tabata has already made peace with the idea of never experiencing an unforgettable high school romance. Although she likes shoujo manga, flowers, and anything cute, Tabata considers herself a mere background character; she is a little bit chubby, with a round face, glasses, and freckles—all things that would make her conventionally unattractive. But when Tabata accidentally befriends Yousuke Ueno, a warm and charming classmate, things start to change. While she grapples with conflicting feelings about her unexpected new relationship with Ueno, Tabata has yet to realize that the love story she has been dreaming of has already begun.