Mimitabu no Riyuu

From Bushido Angel Adventures
Yamaguchi is a notorious womanizer. Some men admire him; others can't stand him. Ishikawa is definitely one of the latter. Nevertheless, when Yamaguchi's latest girlfriend dumps him, Ishikawa jokingly offers to comfort him with his own body. Unfortunately for Ishikawa, Yamaguchi takes the offer seriously. And, to make matters worse, Ishikawa discovers that he can't say no! (by presencedear).

The series (of 4 oneshots) goes on like that:
1. The Reason for Earlobes (Mimitabu no Riyuu)
2. Yubisaki no Biyaku
3. Kuchibiru no Teppen
4. Sumuji no Mannaka