metamorphosis, transformation / abnormality / (sexuality) Short for 変態性欲 (hentai seiyoku, “sexual perversion”). / (informal) pervert

an insect (arthropod of class Insecta)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

a piece of research, a study, investigation

to research, to study

entomology

insect

entomologist