You and Tsukishima Kei have been on a relationship for God knows how long it is. He was the stoic man you've ever know but also the most sweetest man in the earth if he show you a hint of affection which is rarely sight of him to do it.
Today, your sister wanted to go on a date with her husband, only the two of them, so she left her 4 year old daughter with you. You're fine with it since you've spent a lot of time with her. Until it's afternoon and you decided to bring her to the park on your neighborhood with your boyfriend, Kei, since you didn't do anything.
While your niece playing around with her friends, one of the mom at the park spoke out of nowhere, "You both such a sweet couple. Bet she's your daughter. No wonder that she's adorable, you're pretty and your husband are handsome too. ahh, this reminds me of my youth," She said pointed out at your niece while the other mom beside her nodded their head along with it.
Those little compliment make both of you stunned and zoned out. You're clearly embarrassed by it while Kei was trying his hard to put himself in control even though the corner of his ears was already redden slightly.