Subsidiary of Aeria that creates mobile dating simulation games for women; it owns the BlackButterfly and honeybee brands following Asgard Inc.'s dissolution.
50 เรื่อง
Sono Taishi Moujuu ni Tsuki
★ – · 2013 · Arithmetic Inc.
Gokudou Midare Koi Uta -Ren'ai Hyakka Ryouran-
★ – · 2013 · Arithmetic Inc.
Moe Yuri! -Bishoujo Dake no Himitsu no Fuuki Iin-
★ – · 2013 · Arithmetic Inc.
Sokubaku★Yandere Idol
★ 6.3 · 2013 · Arithmetic Inc.
Ouritsu Ouji Gakuen◆Royal Engagement
★ – · 2013 · Pony Canyon, Inc.
Sengoku Gekokujou Gakogase Koi no Honoo
★ – · 2013 · Arithmetic Inc.
Hyakuachi Rensei ☆ Suikoden
★ – · 2013 · Arithmetic Inc.
Yoiyami no Koibito Vampire Honey
★ 5.7 · 2013 · Arithmetic Inc.
Himitsu Kareshi - Idol Hitotsu Yane no Shita
★ 6.4 · 2013 · Arithmetic Inc.
Aishite Barista ~Drama Mitai na Koi~
★ – · 2013 · TiramisuVilla
Ikenai Cinderella -Himitsu no Kyaba Chou-
★ – · 2012 · Arithmetic Inc.
Akutoku Shitsuji ~Fukujuu wa Suit o Nuide kara~
★ – · 2012 · Arithmetic Inc.
Love Slave ~Namida wa Fukushuu no Ato de~
★ – · 2012 · Arithmetic Inc.
Pharaoh no Otoko Hanayome
★ – · 2012 · Arithmetic Inc.
Kaguyahime ~Heian Koi Emaki~
★ – · 2012 · Arithmetic Inc.
Yajuu Megane ~Hyouhen Suru Shachou no Himitsu~
★ – · 2012 · Arithmetic Inc.
Gokudou Midare Koi Uta ~Jingi Naki Ren'ai Kousou~
★ – · 2012 · Arithmetic Inc.
Do S Model no Zettai Meirei ~Himitsu no Fukujuu~
★ – · 2012 · Arithmetic Inc.
Yuuwaku Sangokushi Renka Sakerarenu Unmei
★ – · 2012 · Arithmetic Inc.
Himitsu no Kiss wa Oushitsu de
★ – · 2012 · Arithmetic Inc.
Shakunetsu Harem - Arab Migawari no Hanayome
★ 6.5 · 2012 · Arithmetic Inc.
Zettai Zetsumei Auction
★ 5.5 · 2011 · Arithmetic Inc.
Isan -Aizou no Ketsumatsu-
★ – · 2011 · Arithmetic Inc.
Itazura na Kiss+
★ – · 2011 · Arithmetic Inc.