Aru Hi Totsuzen, Gal no Iinazuke ga Dekita

One Day, out of the Blue, I Got a Gal's Forgiving Wife.

"Hey, hey, why are you always pretending to be asleep?" Miran Katsuki, a positive gal who reigns in the upper class of the school caste, often asks Shuji Nagasawa, an otaku. I was confused by her suggestive behavior, but she unexpectedly announced that she was his fiancee!? A school romantic comedy between two polar opposites, Yin and Yang, has begun