I can’t really explain why, but the MC feels really lame to me. Aside from being absolutely plain, not bright, newfound-blackmailing tendency, and girls throw themselves at him for practically nothing, him being a hypocrite doesn’t help things:
Maeda: “I will protect the girls from being objects of lewd photos!”
Maeda (seeing one of big-boobed girls carrying balls): “Holy shit! Nice boobs! Must-take-pictures!!”