Shiratori Aruto, often referred to as 'Ah-kun', is the main male protagonist of the anime series Moetan. He is a high school student and childhood friend of Ink Nijihara, the series’ heroine. Aruto is kind, somewhat oblivious, and has a fondness for magical girls, though he is mostly unaware of Ink's magical identity. His interactions and supportive nature help drive Ink’s character development and the story’s light-hearted romantic and comedic elements.