https://vndb.org/v28016
http://www.getchu.com/soft.phtml?id=1084177

Update:
Added DLC CG (1623-1676).

Please someone share character set of these!!!

Base +6, yip579 +6, observer1980 +21

footjob on p61

Base +6, TNTYOO +6, mmch2020 +6, kongo26 +6, mokomokousachann +6, HONGYIXUMING +6, jessica702 +10, safeMan^^ +6, JSF1222 +6, observer1980 +21, CatgirlFanatic +7, Nelath +6, anydark +6, and 3 more...

Girls are ordered from oldest to youngest, conveniently.

7-386: Rinka (school nurse)
387-714: Sora (vice-principal, math teacher)
715-924: Himari (gym teacher)
925-1365: Ayaka (new teacher)
1366-1622: Minori (3rd year student)
1623-1677: Momoko (robot)
1677-1865: Group Scenes

Character CG: https://e-hentai.org/g/1669870/bb3507cc89/

Guy comes back to his hometown after doing science shit overseas for several years. Reunites with his childhood friend's family, all of whom are concerned because he has no female experience. They seek to resolve this through their Sister Lessons™. Sexy times ensue.

5 gorgeous girls (somehow all virgins).
3 teachers, 1 principal, 1 student. 0 blood relation.
Pink girl is a robot whose AI the guy helped develop.

Edit: thanks for adding the momoko DLC, what a chad.

Last edited on 17 July 2020, 00:41.

Base +18, asriel02 +7, zeroyero +8, mokomokousachann +6, DaveW +8, joker901 +8, Shurikensei +9, jere512 +6, nongyeyimian +6, 泉水小夜 +22, Trucidation +7, kondoriyano +6, Hoshizora_Rin +6, and 9 more...

shiokonbu without syringes really do hit different tho

Base +11, hyde156 +6, Bedbin +15, observer1980 +21, ChaseRaph69 +4

Is 5H1T 😠

Base +5, Ricardo214 -6, jere512 -6, PanstLove -6, green100 -6, hyde156 -6, jessica702 -10, Church11 -7, Hoshizora_Rin -6, Mirror night -6, GRAND36QQD -6, Shurikensei -9, Aolynk -14, and 3 more...

Who gets preggo

Base +6, ChaseRaph69 +4

The protagonist looks so much better with eyes in the CG where he actually has them. Which seems to be just one scene. lol

Base +8, sanbeser -4, ChaseRaph69 +4, BaperNu +9, gagman1234 +6

bondage only 1 scene in 552 :v

Base +6

这个后宫生活舒服

Base +6

看到奶子我就好了！
it is all about boob😍

Base +6, arapis123 +5

y1s1，确实笨

Base +6

买你妈，英语及格线的都能自己注册了，这很难？

Base +6, davidliudmc -6, garden32 -6, lijianwei2 +6, Paphos -8, otherjesnico -2, SPIRIT0 +6, nongyeyimian -6, Ricardo214 -6, Anioki -6, st74259883 -6, abck -6, sansi8 -2, and 3 more...

fj is on p60

Base +2, jacktheripper17 +6, arapis123 +5

モモ子の単独攻略は早期購入特典DLCに!

Base +11, observer1980 +21

Thank you for DLC torrent.

Base +7, ChaseRaph69 +4