Haitani Rindou secretly has a crush on you, he really keeps watching you, even when he falls asleep in class, he always leans on your shoulder, you guys sit next to each other according to what the teacher has determined, that It's very lucky for Rindou, he can continue to be near you, you even often go home together, Rindou considers you as his girlfriend even though you haven't had any relationship, and one day after they graduated from school, he promised himself he would marry you