Ima♥Ria

Episode 1 - 4 - Ima♥Ria
Kazuya would have been happy just hiding and cheering her on, but the apartment manager who looks up to him like an older brother is his favorite pure idol, Honami Mizuhara! One day, he sees her masturbating using a photo of Kazuya, and as punishment, Honami forces him into her underwear...? Honami, an idol, licks Kazuya's exposed penis and can't hold back, begging for sex! At this point, he won't stop until she reaches a climax and loses consciousness!

Episode 5 - Tsubomi Hiraku wa Beni no Hana
Tsubaki is an excellent member of the Kendo club, who is able to give instruction to boys as well, and she has feelings for fellow club member Souma, but... One day, Tsubaki appeals to the principal that the club is in danger of closing down, and in exchange for promising to keep the club open, he demands that she let him touch her body as he pleases for a month! In order to keep the club alive, she accepts the principal's invitation... Every day, wherever she goes, the devilish clutches of pleasure attack her, and little by little, her body and mind are melting away...!

Episode 6 - Oshieai
Ayaka lives alone while her husband is away on a business trip. A diligent and sensible young wife, she has been asked by her next door neighbor to be Makoto's tutor. But one day, her sexual desires, which have been building up due to her husband being away on a business trip, can no longer be contained, and she accidentally masturbates, which Makoto sees! As a result, Makoto threatens her and pushes her down... Will Ayaka become more and more drowning in Makoto's young body and overflowing sexual desire...?

(Source: Lune-soft, translated)