is there a discrimination or legal issue about it?
Yes - Asexuals are evaluated more negatively in terms of prejudice, dehumanization and discrimination than ther sexual minorities. Asexuals also face prejudice from the LGBT community.
Asexuality
A 2012 study published in "Group Processes & Intergroup Relations" reported that asexuals are evaluated more negatively in terms of prejudice, dehumanization and discrimination than other sexual minorities, such as gay men, lesbians and bisexuals. Both homosexual and heterosexual people thought of asexuals as not only cold, but also animalistic and unrestrained. A different study, however, found little evidence of serious discrimination against asexuals because of their asexuality. Asexual activist, author, and blogger Julie Decker has observed that sexual harassment and violence, such as corrective rape, commonly victimizes the asexual community. Sociologist Mark Carrigan sees a middle ground, arguing that while asexuals do often experience discrimination, it is not of a phobic nature but "more about marginalization because people genuinely don't understand asexuality."

Asexuals also face prejudice from the LGBT community. Many LGBT people assume that anyone who is not homosexual or 
what is asexuality? The lack of sexual attraction to others, or low or absent interest in or desire for sexual activity. is it prevalent in this modern age? Yes - A study by Aicken et al., suggests that the prevalence of asexuality in Britain is only 0.4% for the age range 16–44. is there a symbol for it? Yes - The flag consists of four horizontal stripes: black, grey, white, and purple from top to bottom. how is its awareness being celebrated? Asexual Awareness Week occurs on the last full week in October, and is created to celebrate and bring awareness to asexuality
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Asexuality [SEP] Discrimination and legal protections
A 2012 study published in "Group Processes & Intergroup Relations" reported that asexuals are evaluated more negatively in terms of prejudice, dehumanization and discrimination than other sexual minorities, such as gay men, lesbians and bisexuals. Both homosexual and heterosexual people thought of asexuals as not only cold, but also animalistic and unrestrained. A different study, however, found little evidence of serious discrimination against asexuals because of their asexuality. Asexual activist, author, and blogger Julie Decker has observed that sexual harassment and violence, such as corrective rape, commonly victimizes the asexual community. Sociologist Mark Carrigan sees a middle ground, arguing that while asexuals do often experience discrimination, it is not of a phobic nature but "more about marginalization because people genuinely don't understand asexuality." Asexuals also face prejudice from the LGBT community.