If you're looking for manga similar to That Second-Rate Warrior Is Now an Overpowered Mage!, you might like these titles.
Solon, who has been exiled by his comrades, met the secluded and lonely princess, Philia. She believed in his words that ' as long as you have knowledge of magic you can be free.' With the request of his former mentor, Solon became the girl's private tutor. To protect the girl from assassins, they were sleeping together inside a room with a barrier. They went everywhere together, from choosing magic staffs to fighting ghosts. With that, Philia’s training as a magician has started, but it looked like the main figure of the Empire’s schemes was starting to move… A magic swordsman who was despised because of his versatility and inferior skills met the uncommon princess.
I died from overdoing the game, and I was reincarnated as a villain lady, Rosetta, who would die on any route of the otome game. Even though I plan to break the death flag, I have the magical power of darkness that is repelled in this world, and I am hated by my family and treated roughly by my fiancée ... If you die without power and allies, you will sneak out of the house and become an adventurer! A fun and harsh (?) Adventure with the carefree friends that Rosetta, who aims to be the strongest so as not to die, begins now!
Poverty and Partners can always be counted on to make a bad situation worse. When trouble comes to town, Orphen finds himself forced to team up with the worst police officer on the force! Can he keep himself fed while avoiding friendly fire?
He travels through a world of his own making with his household members, Fluffy and Fluffy. Somehow reincarnated as a god, Togo decided to create his own world, which is the duty of a god. Then, he summons Fluffy's dog. Wanting to check out the world he has created, Togo and Mill set out for the world. After spending some time there, he finds that his divine world has been taken over by an evil god and he cannot return to it! In the lower world where divine power cannot be used, Torgo and Mill travel through this world in order to somehow return to their own divine world--. A boy who has been reborn as a god begins a heartwarming adventure fantasy in another world with Fluffy!