H e r a @ moved check 📌さんのイラストまとめ

Both Ryuunosuke and Junna have same birthmonth, October. Ryuu is October 12th and Junna is 1st October. Their seiyuus have same surname (it doesn't mean they're family). In Piccoma 6th anniversary, Hayami Sho called them Takuya-kun and Hinata-san because two Satou-s meet in space