|Mac OS 9
Kurou was designed as a silver-haired boy wearing a bodysuit, with sleeves reminiscent of Sonata's design.
Mac OS 9-kun is said to have faint feelings towards Me-tan. He is mostly depicted as a tsukkomi or a bystander in situations, often working behind-the-scenes, However in works depicting his interactions with Me-tan, he is often the main character.
Kurou can draw like Sonata, but not very well.
- His name Kurou (苦朗), is an ateji of the name Kurou (九郎), meaning "ninth son" as the personification of Mac OS 9. However it's also a homophone to the Japanese word for "hardships" or "troubles" (苦労), also read as Kurou.
- Mac OS 9, page about the OS itself that also lists alternate personifications.