I'm not sure specifically as there could be many different stories in a 'Cerulean Visual Novel'. It might be about adventure, with characters going on a journey through a cerulean - perhaps blue - hued world. It could also involve romance among the characters set in an interesting and unique setting.
Visual novels usually have complex storylines. For 'cerulean days visual novel', it could be about a journey. The cerulean might symbolize something like hope or tranquility. The story could follow a protagonist who is on a quest, either physical or emotional. There might be different routes in the novel, leading to various endings. It could also include a cast of diverse characters, each with their own backstories and motives, all intertwined within the overarching theme of 'cerulean days'.
A fanfiction could center around Ash having a special training session with the Cerulean Sisters. Since they are known for their water - type Pokémon, they could teach Ash some unique techniques for his own water - type Pokémon. This could lead to Ash's Pokémon evolving or becoming stronger in unexpected ways, and also strengthen the bond between Ash and the sisters.
Since I'm not familiar with this particular visual novel, it's hard to say who the main characters are. However, in most visual novels, the main characters are often individuals who drive the story forward. They could be young adults, perhaps dealing with personal issues, relationships, or some kind of mystery. In the case of 'cerulean days', they might be characters whose lives are somehow connected to the concept of 'cerulean', like a character who has a special memory related to a cerulean - colored place or object.
You can try looking for it on popular digital game platforms. Some well - known platforms often have a wide range of visual novels available. Check the search function on those platforms and type in 'Cerulean Visual Novel' to see if it's there.
In this fanfiction, the Cerulean Sisters could be in trouble with a rival gym. Ash decides to stand by their side and help them defend their reputation. He trains with them, shares his Pokémon training methods, and together they face the rival gym in a series of intense battles. This not only showcases Ash's loyalty but also his growth as a trainer.
There were a few novels about Sea King and Sea King's double male leads that could be recommended. Among them," My Bamboo Horse Is Super Sweet " and " The Romance Lover " were both novels about the male protagonist of the Sea King duo. They told the sweet love story between the protagonist and the Sea King. These novels were suitable for readers who liked sweet novels and Sea King novels.
Sorry, without more information, it's impossible to determine the author of this 'the sea the sea novel'. There are so many novels out there with different levels of popularity, and this one could be by a new writer or from a small press.
I'm not entirely sure specifically as there could be many novels with that title. It might be about the sea in various aspects such as the life in it, the beauty of it, or perhaps the mystery it holds.