Rin is a college student diagnosed with Chronic Fatigue Syndrome, which causes her to constantly feel sleepy regardless of the circumstances. As a result, she tends to fall asleep anywhere. This disorder has also made her lazy and indifferent towards life. She spends most of her time scrolling through social media, watching memes, while showing little concern for her surroundings. However, after finding her boyfriend, she has gradually started to change her behavior, to be more kind and care