Enatsu Yuki

Kunon Gurion was born without sight and unsure of his purpose in life, but everything changes when he resolves to find a way to use magic to see. This is a feat no sorcerer has ever accomplished or even tried, and it won't be easy. Kunon's single-minded ambition leads him to quickly surpass his teacher, and with only a few basic spells, he can already sense color, produce…

Tightrope tells the tale of the reluctant heir of a yakuza family and his childhood friend, and follows their love relationship that started budding in their school days and keeps developing slowly but surely. Source: Simona's BL Research Lab