[Morinaga Milk] Study After School
(C88) [Plott (Ryuuna)] Study Steady (Fire Emblem Kakusei)
(Reitaisai 10) [Setoran (Itou Seto, Tanno Ran)] Study Study (Touhou Project)
[Kaitou Pink] Iiwake Study | Excuse Study [English] [Mikakunin]
(C88) [Nuno no Ie (Moonlight)] Let's Study xxx Soushuuhen (Love Live!)
(COMIC1☆13) [Poire Mousse (Nashiki Noi)] Study Time (Toji no Miko)
(COMIC1☆13) [Poire Mousse (Nashiki Noi)] Study Time (Toji no Miko) [English]
Romance Study + Secret Study
(COMIC1☆13) [Poire Mousse (Nashiki Noi)] Study Time (Toji no Miko) [Chinese] [EZR個人漢化]
[Rekulon (Ishi)] 甘い研究 ～A study in sweet～ (Sherlock Holmes)
