[Mechanical Cat] Raising an Unlucky Protagonist

A childhood-ruining series:

Hidetoshi Dekisugi raises a protagonist named Nobita Nobi. The protagonist has a cheat called a robot cat and a fourth-dimensional pocket filled with countless magical gadgets for him to use.

Then Hidetoshi Dekisugi spends every day rushing around to clean up after the protagonist and his cheat.

A transmigrated all-around academic genius seme and a good-for-nothing uke with countless cheats