万芋は伊田さんの8学年上（いま9歳上）。藤井くんの8学年上を探すとこのひとたち：
http://i0.wp.com/nhk-jyoshi.club/wp-content/uploads/2016/06/koma007_001.jpg
http://i0.wp.com/nhk-jyoshi.club/wp-content/uploads/2016/06/580-575x380.jpg
http://aauk.jp/wp/wp-content/uploads/2017/09/1966-thumb-450x317-17687.jpg
http://afpbb.ismcdn.jp/mwimgs/6/e/1000x/img_6eed2edab68467ff2975f38c197c0145134642.jpg
