I Summon Heroic Spirits in Marvel

The protagonist travels to the Marvel world and obtains the Great Holy Grail system. The protagonist can summon two-dimensional characters to become heroic spirits. The protagonist uses this ability to form his own superhero team in Marvel. He begins his days of forging iron with Iron Man, flirting with Black Widow, and arm-wrestling with Hulk. He also makes a guest appearance as the savior to prevent the purple sweet potato from snapping his fingers and saving the world. . . . . This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.