For April 2021, finally there are more kpop girl groups comeback or making debut compare to previous few month. I do think it has much to do with financial situation of various entertainment company.(Same as boy groups). It was really bad for the past few month.
Itzy - In the morning
For April, the most well known ones is ITZY comeback. On April 30, Itzy released their fourth EP Guess Who and its lead single "In the Morning".
The EP received both commercial success and generally favorable reviews from music critics, who complimented the hip hop music genre featured in the album; however, a few critics found the material controlling the vitality of the group. It marked Itzy's first and highest entry on the US Billboard 200, peaking at number 148, and peaking at number 2 on the Gaon Album Chart.
The lead single, "In the Morning", peaked at number 11 on the Gaon Digital Chart, becoming the group's fifth top-twenty single, as well as the group's third single to enter the top five of the Billboard World Digital Song Sales chart. To promote the EP, the group performed on several South Korean music show programs, such as M Countdown and Inkigayo.
In addition, On April 28, Guess Who surpassed 260,000 preorders, making it their best-selling album surpassing Not Shy with 200,000 copies. According to Korea’s Hanteo Chart, the EP garnered sales of 200,130 copies in the first week of release from April 30 to May 6. The EP debuted at number 1 on the Gaon Retail Album Chart with 58,291 copies sold in a week. In South Korea, Guess Who debuted and peaked at number 2 for the week ending May 1,
It also entered at number 2 on the US World Albums Chart, earning the group third top ten entry. It also entered at number 1 on the US Heetseekers Albums, becoming their highest-charting album on the chart and becoming their best-selling project in the country.
Apink - thank you
At Apink's 10 years anniversary. They promised to delivery a new song to their long beloved fans.
To celebrate their 10th anniversary, Apink released the new digital single "Thank You" on April 19, 2021. APink was one of the very few kpop girl groups from that generation still active in kpop scene nowadays.
On April 29, 2021, Play M Entertainment announced that member Naeun decided to not renew her contract with the company, while the other five members renewed with the agency. With the change of agency, the group will not be disbanded and future-activities of the six-member group remains to be discuss.
STAYC - ASAP
STAYC is one of the few new kpop girl group who stand out from the rest recently. The group returned with their second single album Staydom and its lead single "ASAP" on April 8. The music video of "ASAP," released consecutively with the release of the album, reached 20 million views in nine days.They also entered the "Billboard K-pop 100" weekly chart. Their title track also reached the top of Korean music platforms, including Melon, Bugs and Genie. Since their debut, they have been receiving tremendous love and have been breaking the highest record on music charts. Staydom sold 56,198 copies in it's first month, making STAYC the first 2020 rookie girl group to sell more than 50,000 copies with a single album
Lunarsolor - dadada
I already mentioned this girl group in the past, so I won't introduce them again.
The group released their second single album Solar: Rise, and its title track "Dadada" on April 7, 2021.The group announced on the same day that they were planning to make their debut in the Japanese music industry and signed a contract with label Teichiku Entertainment for future Japanese activities regarding music and management. The group also opened their official Japanese website ahead of their Japanese debut.
(When I was training at ED, one of my instructor talks about LunarSolar Japanese member Yuuri as successful foreign trainee who debut in kpop industry since there are quite a few Japanese girls in the program as well, and from what I know, they do have few other training agency in Japan which has partner with few Korean entertainment company)
Hot Issue - Gratata
This is a brand new kpop girl group, so I will introduce them briefly here.
HOT ISSUE is a seven-member kpop girl group under S2 Entertainment. They debuted on April 28, 2021 with their first mini album Issue Maker. Their group name stands as an abbreviation of "Honest, Outstanding and Terrific" + "Issue"