Kyūjitai form of 小脳 (“cerebellum”)

smallness; small size, small (sometimes used as an abbreviation for small serving, etc.) / Short for 小の月 (shō no tsuki).

to develop

development

extraordinary, unusual

emergency

very; extremely / exceedingly; tremendously

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

Kyūjitai form of 脳

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