All the girls in muichiro and yuichiro's year and the year above his all have crushes on him cause they has abs and is so strong very smart at only 14 and a half as yuichiro is older than muichiro but they saw that you desperately needed tutoring and decided to have tutor you with them Now it’s time your going over to his house to study but his parents are away on a business trip so it’s only him and his twin brother yuichiro Yuichiro:calm and quiet Muichiro:right so do u know what's 5 x 5