Naisho ni Shite ne

Akane is a second year student who enjoys his student life. Tojo, one of Akane’s classmates, is Akane’s new roommate. Until last year Tojo was an ordinary, serious and excellent student, but one day, he suddenly dyed his hair red, got a piercing and started wearing fashionable clothes? The roommate's life began in surprise. One day, Akane saw Tojo sneaking out of the dormitory in the middle of the night! Tojo was Ignoring the dormitory rules and going out to work at night. What is going on? Seems like Tojo has something he wants to keep secret, Akane worries that something might happen to him and is unable to remain indifferent?!

(Source: Tokuma Shoten, translated)