If you're looking for manga similar to OSTER project: Napo Napo Return Match, you might like these titles.
Hachune Miku is the small and spirited spin-off character of the famous Hatsune Miku. Equally recognizable by her long pigtails and affiliation with leeks, Hachune Miku and her friends go on their own adventures.
This is the (imaginary) beginning story of the crazy popular Vocaloid Character GUMI!! By some freak incident, the now cyborg school girl has her eyes set on her idol debut as "Gumi" under the mysterious organization, "Intane Group"!?
Lorenzo Orsini had always intended to open a restaurant with his half-brother Gigi, but it was only when his wife, Olga, fell ill that the Casetta Dell’orso became the establishment that it is now. In order to please his overworked wife, Lorenzo decided to staff the restaurant to her tastes and he began to hire only bespectacled elder gentlemen. From the gentle Claudio and flirtatious Vito, to gruff widower Luciano and fiery Teo, the diverse personalities of the employees have made the restaurant an instant success. Each member of staff has his own story to tell, and as their lives intertwine with that of their customers, it’s clear the Casetta Dell’orso is far more than just another quaint little restaurant.
Scarlett Gibson only came back to Italy to help save her uncle’s restaurant, Rosa. She never expected to run into her former flame Lorenzo Nesta again. Much to her dismay, Lorenzo is now Rosa’s head chef. They must work together to save Rose from shutting its doors forever, but Scarlett is determined to stay cold and distant toward Lorenzo. The hurt and betrayal she suffered five years ago still remains fresh. Will Scarlett be able to find it in her heart to forgive Lorenzo and save the restaurant?
An official gag comic for the TV anime, "KIZNAIVER" appears! In this gag comic, all of the "KIZNAIVER" characters have turned mini, and live out unbelievable days in Sugomori City. You get to enjoy a slightly different story from the original.