Drowning in Warmth

[Big brother who lost his parents ✖frail and sick little one ➕save each other] A truly heart-wrenching dream made Pei Yihuai re-examine himself. He no longer forced to ignore Shen Xiyu, but pampered her into a quirky girl. The male protagonist was very doting, but sometimes harsh. The female protagonist had slight depression, was weak and timid, was afraid but relied on Pei Yihuai, and may contain xp, which can protect her from lightning. The male protagonist is 23 years old and the female protagonist is 20 years old The male protagonist met the female protagonist when he was 21 years old, and the female protagonist was 18 years old at this time