OVA Heart Mark Oome. episode 2

Asahi had quietly harbored feelings for Yuu, the gentle, kind Yuu. But when Asahi accidentally discovers that her older brother’s wife, Reika, is a ero manga artist, she decided not to harbors her feelings anymore. Almost naturally, Asahi gets pulled in as Reika’s assistant. One day, Asahi summons Yuu to a private room. Asahi summons Yuu one evening, and he arrives knowing full well what kind of atmosphere she’s creating. Just like Reika, Asahi attacks him, not with anger, but with jealousy. But when Asahi returns home, Reika is waiting, smiling. And she knows everything. She’s known all along—about Yuu, about the feelings, about what Asahi would become. And now, caught between the stepsis who pulled the strings and the woman who learned well from her, Yuu realizes there may be no escape