Sinking into My Older Sister's All-Consuming Love

【Two Female Leads + Both Pure + Secret Crush + 1v1】 When they first met, Zhou Nian saw Shen Qinglian standing on the stairs with a cool, distant expression. It was her first time at the Shen home, and everything and everyone was unfamiliar. Scared, she clutched tightly at Shen Mom's hand. Shen Qinglian walked over, crouched to meet her eye level, and said gently, “Niannian, welcome to our home. From now on, I'll be your big sister.” Over the years as she grew up, the Shen family treated her wonderfully, and Shen Qinglian most of all. She protected and doted on her, gently staying by her side throughout her adolescence. Shen Qinglian was so good to her, far too good. Zhou Nian wanted to keep all that kindness to herself. But she knew perfectly well that Shen Qinglian saw her only as a little sister. Meanwhile, her own feelings for Shen Qinglian had changed into something else. She wanted Shen Qinglian to love her. She wanted to take things further, yet feared being found out. She wanted Shen Qinglian to know, yet was afraid of her finding out. She struggled, drew closer, and carefully planned every step!