My Adorable Little Brother Is So Clingy

This year has been a terrible one for Tuotuo, but also a heartwarming one! She deliberately drew closer to him, and time and again he warmed her heart. Little by little, she let him into her heart without even realizing it. By the time she wanted to pull him out, her heart was already aching as if it had been torn apart! Since it would hurt anyway, she might as well let it grow until it wrapped around her like a vine. It was both a shackle and a suit of armor, and from then on, she charged forward without hesitation...