Aitsu ni Koishita Yottsu no Wake, Aitsu ni Koishita Yottsu no Riyuu, Four Reasons I Fell in Love With Him, Hotel Red Peacock, That Is My Weak Point, Lip Lock, A Real World, アイツに恋した4つの理由〈ワケ〉
These stories about 4 typical high school girls' love life are Yokoyama Mayumi first works.
1. It's a Real World
2. LIP LOCK
3. Zubari Atashi no Nakidokoro (That Is My Weak Point)
4. Hotel Beni-Kujaku (Hotel Red Peacock)