How Can I Get a Girlfriend? It’s Obviously My Little Sister’s Fault

【Sweet from beginning to end, with no angst + everyday romance + lighthearted and relaxing】 Everyone says it's all the fault of the woman who lives with me that I can't get a girlfriend. Only I know the truth: I've been willingly wrapped around her little finger for ages. Shen Yu has lived for nineteen years, and his quest to find a girlfriend has been nothing short of an epic struggle. The culprit is Shen Nuo, the woman who isn't related to him by blood but has lived with him for nine years. A girl from the class next door hands him a love letter? Shen Nuo confiscates it on the spot, then adds in a babyish voice, “Dating at our age will affect your studies.” An upperclasswoman from his department asks to add him on WeChat and team up? Shen Nuo takes his phone and turns her down with a flurry of taps, saying, “You can only team up with me.” He secretly arranges to get milk tea with a girl? Shen Nuo suddenly drops into his lap and claims him with a taste of strawberry. Fuming, he posts anonymously online: “How is it not that woman's fault I can't get a girlfriend?!” He hoped the netizens would take his side, but the whole internet started shipping them instead: “Poster, are you really unaware of how much of a siscon you are?” “The top tipper is shipping you two like crazy. If you aren't a couple, I'll wash my hair upside down!” Shen Yu stubbornly replies: “We're just family! There's nothing improper between us. We've lived together for years! I've seen it all. How could I possibly fall for a flat-chested girl?” That's what he says, but whenever Shen Nuo steps out of the shower, he still can't control where he looks...