@Panino All those
"A person like me"?
"Don't have the right"?
"It's selfish to like someone"?
its just part of his denial for his fear of rejection,
and trust me its not Japanese mindset.
this stuff pretty common IRL.
C'mon guys,
MC still traumatized by his past before he meet Takamine.
His problem not only about height. but way more than that.
and this "height" problem probably just an excuse to reject him in the first place.
there're lack of information about his previous crush, like how close they are...
@redmikan
if you want more Misunderstood Female MC, and comedy
try "The Vengeful White Cat Lounging on the Dragon King's Lap"
Its quite similar
Edit:
And these some my Female MC isekai favorite:
"Koushaku Reijou no Tashinami" (my all time favorite)
"Otome Game no Hametsu Flag shika nai...