Games like Tsumamigui
Miai Kekkon Shita Osanazuma ga Otoko no Ko Datta Ken
A visual novel from Honey Mary.
If My Heart Had Wings
This game is an animated visual novel based on a youthful, dream filled high school life story. This game portrays the player as Aoi, the protagonist, and brings the player through the feat of building the glider that will realise their dreams, while bonding with the female characters.
Josou Gal Bitch Gakuen
A visual novel from Gal Prince.
HaremMate
HaremMate is an eroge created by the Japanese H-game company Illusion. HaremMate is also the first Illusion to use Unity game engine, followed by the same company's Play Club,
Welcome to Pussy Paradise
Full throttle desire! You're a fertile man in a land of mostly women. As such, you've been granted a free pass to a certain theme park where the attractions are attractive women. The ultimate male fantasy amusement park is here!
Artificial Girl 3
Artificial Girl 3 is an eroge (hentai game) and is the sequel to Artificial Girl 2. The gameplay involves being a guy and living a life with one or many girls (whose various characteristics are set by the player). The game is considered by the playerbase to be one of Illusion's finest games.
RapeLay
RapeLay drew a great deal of controversy and made global headlines when western press and politicians discovered it back in 2009. It eventually led the Japanese government to start regulating the sale of rape games.
Artificial Academy 2
Artificial Academy 2 is an eroge high school social simulation, sequel of Artificial Academy. Create and play up to 25 students of varying gender, orientation with interaction abilities and personal inclinations. Make friends and lovers as the class competes for achievements in academics, athletics, popularity, and romance.
Oppai Slider 2
In Oppai Slider 2, the player can choose between three different scenarios, each starring a girl in a different role: a nurse (with the player as a doctor), a maid (whose master is the player), and a "sailor", who is simply a girl the player has to teach how to swim. It is actually the same girl, named Asakura Koyori, in three different stories.
Sexy Beach 3
Sexy Beach 3 is the third game in the Sexy Beach franchise developed by Illusion Software.