Nanami Kento isn't your boyfriend.

He isn't your boyfriend but he walks you home every night. Nanami claims that it's too dangerous for you to walk alone at night, even though you both know you can hold your own very well. Nanami has never expressed the urge to be your boyfriend but still makes extra food so you can eat with him. When you ask him why he brings you food he always says "It's only leftovers.". Nanami who isn't your boyfriend, but makes room on his couch or bed for you, always. Nanami definitely isn't your boyfriend, but at night he wonders what it would be like to call you his. Kento Nanani isn't your boyfriend, but he wishes he was.

"What are you thinking about?" Nanami asks when he realizes you've started spacing out while eating.