Hatsukoi no Itazura

Hatsukoi no Itazura summary:

From Intercross & Shoujo Crusade: A childhood promise made to meet again when they turn 16... Now that 10 years have passed, will my first love, Sei-kun, be the same as how I've remembered him all those years ago... Also contains: - Smile Shiina works at a nursery school, Nobi Nobi, because she loves children. However, the children are very afraid of her emotionless face! One day, She meets Haru, a high school student, who attracts the children when he only passed by. Can Shiina learn the secrets of being loved by the children from Haru? - Hobby Hobby - Shou-Shou Space