shuichi saihara is the ultimate detective and a main character and protagonist in the peppa pig fanon. he is married to Kaede Akamatsu, another main character in season v3.
shuichi officially arrives in season V3 of peppa pig fanon, after being teased alongside kokichi ouma since the first season.
their existence has been a major plot point ever since season 16, and become even more so in season v3. in the latest episode of season v3, kokichi and shuichi are finally brought into the show as protagonists, and serve a great purpose for what they do. in the episode, kokichi and shuichi find themselves in kokichi's birthplace, where they are suddenly attacked by the monopigs, and leon kuwata, holding a Lucina body pillow (it is currently unknown why, but his trademark numbers, 11037 may hold a clue to the mystery.) . shuichi manages to fend off the monopigs, but kokichi is knocked down whilst fighting leon. in a brilliant moment of genius writing, kokichi sacrifices himself to throw himself and leon under the hydraulic press, killing them both in the place where kokichi was born. this is widely considered the best moment in the entire show. shortly after though, shuichi revives kokichi, but leon is killed. eOne family has publicly stated that leon is permanatly dead, and will not be coming back, thus ending the Lucina arc. after 53 seasons. yeah.
Relationship /w/ Kokichi Ouma
Shuichi Saihara is the spouse of Kokichi Ouma
after being revived by shuichi, they both are overjoyed, and shuichi kisses him. in the after credits scene of that episode, kokichi confesses his love to shuichi, and it is highly implied that shuichi accepted. in the next episode, it is revealed that shuichi accepted, and the episode is dedicated to them being wed.