Chi-Toitsu - Ichiman Satte Mata Ichiman (c) 1988 Yuga.
Mahjong game played against various girls. This must be the extra-curricular activities of the Mahjong Academy students.

>>> TECHNICAL DETAILS
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Main CPU : Z80 (@ 6 Mhz)
Sound Chips : OKI6295 (@ 7.5 Khz), YM2413 (@ 4 Mhz)
Screen orientation : Horizontal
Video resolution : 384 x 240 pixels
Screen refresh : 60.00 Hz
Palette colors : 1024
Player : 2
Control : mahjong keyboard

>>> TRIVIA
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The title of this game translates roughly from Japanese as 'Seven Pairs - 10,000 Yen Goes, Another 10,000 Yen Comes'.
The subtitle is a play on a Japanese proverb 'Ichinan satte, mata ichinan', which means 'One misfortune goes, another one comes'. An 'Ichiman' is a 10,000 yen note, the highest note of Japanese currency.
In mahjong, a 'toitsu' is a pair of like tiles waiting for a third like tile to create a three-of-a-kind. However, 'chi-toitsu' also denotes a special winning mahjong hand made of seven pairs of tiles. Winning with a chi-toitsu guarantees a good score!

>>> OTHER GAME RESOURCES
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Game's rom.