MCs with scary, ugly & weird faces

A stalker? A pervert? No, no. I'm just a college boy who is single-mindedly in love with someone. It's just, I live my life wearing a paper bag on my head.
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○ : stalking, violence
○ Another story that doesn't quite fit my intentions for the list but I'll make an exception for

Sunako Nakahara, the agoraphobic, horror-movie-loving, pockmark-faced, frizzy-haired, fashion-illiterate recluse who tends to break into explosive nosebleeds whenever she sees anyone attractive, is sent to her aunt's mansion filled with gorgeous looking boys.
The deal is, if the boys can turn Sunako into a perfect lady in three years, their rent to the mansion will be free. Problem is, Sunako doesn't want to change.
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The hero just retired to his home and started a slow life. But some persons starts to make hostile movement over him, and none of them was demons.
A men who became a true demon king and clean all the enemies.
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○ The demons don’t really care about his appearance; it’s just the humans

Il Kwon's debut work. The "beauty" virus is spreading around the nation, targetting ugly girls and driving them to madness. Park Jangmi wonders—why must life be so unfair? As she ponders, she stumbles upon a mysterious barber shop, with a mysterious barber...
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○ : heavy violence, death

Ookami Hinata has long held feelings for Sakura Haruto. Unfortunately, Haruto is an idiot.
(ch 3 – 4)
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Haruna Aizawa thinks that school life is just like a monkey mountain—all the monkeys form cliques, get into fights, and get back together again. The school that she just transferred to is no exception. There's even a boy called Masaru Yamashita, who reminds her of a baby monkey!
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Hirata Mihane has a scary face and isn't ladylike at all. In fact, she lets her temper get the better of her and often lets out small bursts of violent behaviour—even though she doesn't mean to. Because of this, the entire school calls her a murderous monster. Even so, she's in love with the kind and popular Touma-kun, who doesn't mind the way she looks and is always nice to her. But... will Touma ever see her as a love interest?
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Fun story about an arrogant, strong-chinned prince type and the shy, quiet object of his affections.
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○ he's only considered evil-looking for a while (haircuts help, I guess? lol)

Yi Feng is a diligent girl in her studies on science and engineering, and a person who believes in the power of ones own strength. Until one day, she could suddenly see that everyone had a score on their heads, and this score seemed to be related to the value of ones beauty.
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A strange man stalks a common house hold wife. He one day witnesses the wife's child getting kidnapped.
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○ : stalking, kidnapping, severe bullying, heavy violence