Kensuke and Ryoko became friends since they were young.
Ryoko has been loving Kensuke for more than 10 years.
Riko met Kensuke at a part time job and she is also falling in love with him.
Ryoko hates Riko because she always flirt outrageously with Kensuke. Riko hates Ryoko because she can't be apart from Kensuke,although she isn't his girlfriend.
In summer,the two girls had a quarrel,so Kensuke let them meet each other on the Christmas night.
And this time,he created a special rule to make a final dicision.
The content >> black and white 20 pages.
Check it out at http://www.dlsite.com/ecchi-eng/work/=/product_id/RE037692.html
Obligatory errors for misc:"poor grammar" tag, correction in "" after original text. Only bothered for the first 3 pages, already got the required 10 errors. Some of my examples might be questionable or nitpicky, but that's just 3 pages and I could provide twice as many with ease.
Page 2: celebrate the Christmas together. "celebrate this Christmas together./celebrate Christmas together." Page 3: I and he also made a promise... "He and I also made promise/we also made a promise" Not really an error, but still sounds awkward to most. What a low-class lingerie "What lower class lingerie" to bend his eyes to you. "to catch his eyes." the girl with giant breast. "the girl with the giant breasts." you've got bigger boob. "you've got bigger boobs." talk about the violence "talk about violence" Page 4: Being considered a baby is no problems to me! ... "What is that even supposed to mean?" It's no matter what you said. "It doesn't matter what you say/said." is you! "You are!" It maybe late "it may be late" the realy man must make a choice clearly. "a real man must clearly decide."