Amaesasete Hinamori-San!

Amaesasete Hinamori-San! summary:

Suou Yaya is admired by the whole school. Perfect grades, beautiful, an exemplary girl overall worthy of the praise she receives. From afar, her childish underclassman Hinamori Ichigo yearns to be like her......That is, until she finds her beloved Suou-senpai is a LOT more childish than her, and wants to be spoiled rotten, lest she'll throw a tantrum.