Artist.
Japanese Name: 涼野きさら (reading is given as Suzushino Kisara)
The other name: 水前寺場内
Old names: 水前寺駅前 or 水前寺防衛線
Circle name: 小夏逓信社 (Konatsu Teishin-sha)
Site name: カフエこなつ (Cafe Konatsu) (In this case, the word "cafe" is writtern as カフエ, not カフェ)