(COMIC1☆13) [Poire Mousse (Nashiki Noi)] Study Time (Toji no Miko)

Romance Study + Secret Study

[Rekulon (Ishi)] 甘い研究 ～A study in sweet～ (Sherlock Holmes)

[Kaitou Pink] Iiwake Study | Excuse Study [English] [Mikakunin]

(C88) [Plott (Ryuuna)] Study Steady (Fire Emblem Kakusei)

[Cuvie] Liquid XXX2

(COMIC1☆13) [Poire Mousse (Nashiki Noi)] Study Time (Toji no Miko) [English]

(C88) [Nuno no Ie (Moonlight)] Let's Study xxx Soushuuhen (Love Live!)

(COMIC1☆13) [Poire Mousse (Nashiki Noi)] Study Time (Toji no Miko) [Chinese] [EZR個人漢化]

(Reitaisai 10) [Setoran (Itou Seto, Tanno Ran)] Study Study (Touhou Project)