Regret(another perspective)

This is a story about twins that were always in the shadows of the peers. The twins lived with their single mom and very old grandma. The older twin Fushi, had to do all the work around the house while her mom was trying to get some for them to have dinner. The younger twin Renga, had to take care of the grandma. With all this work, the never had a chance to stand out with their peers. They had one friend, and his name was Oturan, he used to come around when ever he could to help them, then something shocking happens. What happens next? Find out on a side characters story.