If you're looking for manga similar to C[si:], you might like these titles.
Kibino Makibi is a young Hyoryu Sakka (wandering writer) who seeks to get his Hyoryuroku (wanderer's log) published. Hyoryu Sakka are some kind of explorators going on expedition to unknown places and unknown events in the world, to fill up the black spots of the world. Armed with an umbrella he meets up with Mitsune, the "editor-in-chief" of Sogano Publications.
Kagura is perfectly happy living a normal, leisurely life… until an adorable little girl shows up in his house one day and starts calling him “Daddy”! As his once-normal life turns upside down around him, he sets off to unravel the child’s mystery, embarking on a journey which will change everything...
He is the greatest adventurer that has ever lived! His name is Jubei, and he is the Treasure Hunter! He'll go anywhere to get anything for you...if the price is right. In his first adventure, Jubei is hired by a mysterious woman to retrieve a mystical food that grants eternal youth. It's a simple job, but when Jubei learns the secret of the special ingredient, he realizes that this job won't be a piece of cake! In Jubei's next mission, he is recruited to find a powerful statue that grants unlimited power to those who possess it! Will Jubei survive this swashbuckling adventure?
An unexpected truth lurks in a wound caused by a giant accident. This is a human drama about Kujira, an accident investigator, who uses fearless reasoning and indomitable conviction to get to the bottom of the mystery.
Nobunaga was just taken out of power and there are signs of civil unrest even in the far reaches of Kyuushuu. A small precinct of Kyuushuu is ruled by the Harima family and headed by the 15-year-old Harunobu who, despite everyone's hopes, has no interest in war nor being a lord. Instead, he spends his time surveying the land to make maps or record plant and animal life. Harunobu's dream is to create an encyclopedia that contains all the information in the world. So when the opportunity to travel the world and eventually end in Rome appears, Harunobu leaves the land in capable hands and sets sail on his journey that he has dreamed of his entire life.
A Dragon Ball fan’s greatest dream is getting to live in the Dragon Ball universe and fight alongside Goku and his friends! But one particular fan is in for a rude awakening when he suddenly dies and gets reincarnated as everyone’s favorite punching bag, Yamcha! A Japanese high school student is on his way to a Dragon Ball event and makes a detour to hit on a cute girl. Unfortunately, he meets with an unfortunate and fatal accident before he reaches her and, to his great surprise, wakes up in the Dragon Ball universe as Yamcha! Being a Dragon Ball fan, he knows exactly what misery awaits him as Yamcha, so he takes matters into his own hands and vows to make Yamcha the strongest Dragon Ball character ever!