Risou No Kareshi No Hazunanoni summary:

After becoming a high schooler, Chiori begins to grow envious of how her peers are getting girlfriends and boyfriends left and right. "Having a lover seems like so much fun." "I wish I could get a boyfriend, too." "Why won't anyone confess to me?" When she voices her complaints to Issei, her childhood friend, he suddenly comes back with, "If that's the case, then go out with me."Could this be the start of a dreamlike relationship?!