Updated with the new Event girls:

Missing H-Scenes:
6*:
Loquat
Helenium (Easter)
Cacao
Lotus
Freesia
Curcuma
Lantana (Festival)
Horse Chestnut
Blushing Bride
Apple (Tanabata)
Susuki Grass (Swimsuit)
Wolf Berry
Golden Lace
Cattleya (Radiant Princess) *Broken*
Sarcandra (Xmas)
Dusty Miller (Xmas)
Easter Cactus
Pink Ladies
Lavender (Valentine)
Streptocarpus *New*

2/3/4*:
Buckbean
Blue-eyed Grass *Broken?*
Water Fringe *Broken?*

5*:
[Code]Aconite
[Code]Bergenia (Gothic Maid)
[Code]Chloranthus Japonicus
[Code]Devil's Claw
[Code]Lindernia
[Code]Xanthium
Paederia
Calceolaria
King Protea
Madagascar Periwinkle
Firethorn
Lucky Bamboo
Heliotrope (Yukata)
Coral Flower
Pitahaya (Halloween)
Anemone (Radiant Princess) *Broken*
Cycla Menn (Radiant Princess) *Broken*
Water Hyssop *Broken*
Ghost Weed (Xmas)
Justicia (Xmas)
Di Yu (Maturing) [Done by spdaimon]
Nymphaea (Maturing) [Done by spdaimon]
Mint (Maturing)
Echinacea (Hot Spring Yukata)
Hop (Hot Spring Yukata)
Aloe (Valentine)
Snapdragon (Valentine)
Nightshade *New* [Done by spdaimon]
Larkspur *New*
Japanese Barberry *New* [Done by spdaimon]

Missing 2nd Affection Scenes:
6*:
Viola (Yukata)
Loquat
Victoria
Helenium [Done by Eab1990]
Lagurus

5*:
Suzuki Grass
Fireweed
Japanese Parsley
Kalenchoe
Barrenwort
Wax Tree
Moonvine [Done by spdaimon]

Missing CSQ:
Moonvine
Mountain Lily
Gardenia
Cactace (Bride)
Gerbera
Epidendrum [Done by Eab1990]
Iris
Black Baccara
Mimosa
Cattleya
Alpinia
Pumpkin
Mei Plumblossom
Victoria
Helenium [Done by Eab1990]
Lagurus