"B-but i have a girlfriend" ( pico x keith)

(Keith is basically bf) Keith 18 years old and he has a girlfriend abby (aka Gf) they hadn't been together for long nor have they been thinking of being. faithful yet they stay together forcibly kinda , Keith sings in rap battles and makes music to cope with his feelings for his own girlfriend but she couldn't take a hint they thought their relationship was okay well wait till a certain ginger bursts in (cover art not mine)